Was ist das eigentlich? Cyberrisiken verständlich erklärt

Es wird viel über Cyberrisiken gesprochen. Oftmals fehlt aber das grundsätzliche Verständnis, was Cyberrisiken überhaupt sind. Ohne diese zu verstehen, lässt sich aber auch kein Versicherungsschutz gestalten.

Beinahe alle Aktivitäten des täglichen Lebens können heute über das Internet abgewickelt werden. Online-Shopping und Online-Banking sind im Alltag angekommen. Diese Entwicklung trifft längst nicht nur auf Privatleute, sondern auch auf Firmen zu. Das Schlagwort Industrie 4.0 verheißt bereits eine zunehmende Vernetzung diverser geschäftlicher Vorgänge über das Internet.

Anbieter von Cyberversicherungen für kleinere und mittelständische Unternehmen (KMU) haben Versicherungen die Erfahrung gemacht, dass trotz dieser eindeutigen Entwicklung Cyberrisiken immer noch unterschätzt werden, da sie als etwas Abstraktes wahrgenommen werden. Für KMU kann dies ein gefährlicher Trugschluss sein, da gerade hier Cyberattacken existenzbedrohende Ausmaße annehmen können. So wird noch häufig gefragt, was Cyberrisiken eigentlich sind. Diese Frage ist mehr als verständlich, denn ohne (Cyber-)Risiken bestünde auch kein Bedarf für eine (Cyber-)Versicherung.

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Questions & Answers

Question: How do you know how much the monoliths at Stonehenge weigh? ~Jane

Answer: They know how much the monoliths weigh as they can calculate to their overall volume, including the bit that's underground, and they know what the density of sarsen, or bluestone, is. Also, some of them have actually been lifted by train while being reset not that long ago, which is also a good guide.

Question: It's one thing to drag a ten ton stone over three step middle planks. Was anyone making nice new planks 4,000 years ago? Probably a lot harder to drag a stone on rough cut timbers from ~Brad

Answer: People at this time were capable of quite fine timber work and they have evidence of this from preserved prehistoric trackways in peat bogs. So, yes, they would have been able to make smooth planks.

Question: Why was Stonehenge built? I've heard that on either the longest or shortest day of the year, the sun rises or sets just at the entrance. Why did they build it like this? ~Scott

Answer: The structure of Stonehenge is actually laid out on the line of the midsummer sun rise and the midsummer sunset, the longest and the shortest days of the year, and it seems likely that Stonehenge was built to mark these two events, which would have been enabled people to chart the changing seasons.

Question: Without the use of the wheel, the builders must have used sledges, log rollers, and many people, right?

Answer: Yes, and their experiments show that it seems more likely that some form of sledge would have been used to transport stones as log rollers are very prone to getting bogged down, particularly in softish ground.

Question: How far has the procession of the equinox moved the position of the summer solstice on the horizon since the time Stonehenge was built? ~Raymond

Answer: It has moved slightly, but not significantly enough to alter the fact that they can tell that it is this alignment that Stonehenge incorporates within its structure.

Question: On the Stonehenge raising, they used a weighted tip to tilt the main riser stone into the hole. Why not just have the stone dragged up an Earth ramp with wood rails to a pivot point of wood (timber) and just burn the timber? The loss of the support will drop the stone or is the angle too great for the raising? I can't see the stone (re: concrete) angle stone under the pivot point being used. ~Don

Answer: Burning a timber structure would, I suspect, cause a loss of control of the stone and also the heat generated would actually damage the sarsen. It's possible that any one of the stones which they now see built into the structure could have been used as that pivot stone before being erected. There are some that have a suitable cross section.

Question: Using the techniques from the show, how long did it take to build the entire structure? ~Jerry

Answer: To build the whole of Stonehenge will obviously depend on how many people you can use for the task. What they suggested was that, given a great concentration of effort, is the sarsen structures, the biggest bits of Stonehenge, could have been built within a period of three years. They suspect that probably it took longer.

Question: How do you know when it was built? ~Scott

Answer: The evidence for when Stonehenge was built comes from radio carbon dates which have been obtained largely from fragments of the antler picks used to dig the holes for the stones and the ditch.

Question: What kind of language or dialect did this ancient community speak? ~Jeff

Answer: Unfortunately, archaeology cannot deliver us any idea of the language that the builders of Stonehenge spoke.

Question: Why didn't they use pullleys to lift the monolith? ~Rich

Answer: Basically because it appears that the wheel had not been invented at that time and a pulley is a sort of wheel. If they did have pulleys, there is absolutely no evidence in the archaeological record.

Question: The ropes that you used, were they purchased or did you make them? ~Kenny

Answer: They purchased the ropes that they used. They were modern hemp ropes which they were obliged to use to comply with health and safety regulations. They would have liked to have made lime bark ropes to carry out the whole experiment, but this was impossible.

Question: I saw from the show that the ancients of the time had gold. Did they have any other metals? ~Robert

Answer: At the time when Stonehenge was started, no metal was used in the British Isles, but then copper, bronze, and gold were used, came into use.

Question: Where did you get stone slabs that big? ~Mike

Answer: They weren't able to get stone slabs that big. The ones they moved were replicas made of concrete. The places where both sarsens and bluestones come from are both now protected sites and it's not possible to extract stone from them.

Question: Where are the stones you have erected in this experiment now? Will they be left on this site? It appears they are a bit heavy to move. I hope to visit Stonehenge in July, hence these questions. ~David

Answer: The new trill is no longer on the site where it was erected. It rapidly became a place of New Age pilgrimage, and the farmer insisted on it being taken down the stones are currently in store.

Question: Is there an estimated population size at the time of construction that would have helped move the monoliths easier without the use of such elaborate devices that you used? ~Pat

Answer: Calculating the population which this time is very difficult because they have no clear indications of where people were living and how many settlements there were around. They felt that just using larger and larger numbers of people was not the answer, and that the builders of Stonehenge probably thought up a scheme which used less people in a safer and more controlled way.

Question: What was the closest known settlement to Stonehenge at the time of its construction, not including the area where the workers may have stayed? ~William

Answer: There are indications of settlement within a mile or so of Stonehenge, but the remains of settlements of this period are very difficult to find, in great contrast to the massive structures that that these people built.

Question: A thought occurs to me as I sit and think of the Indian burial mounds in my area: Wouldn't something like that have been useful in making the ramp for the piece on top? How old is the idea of mortice and tenon? Also, are there any writings on the stones at all? ~Patty

Answer: They know that people at this time were capable of constructing very large Earth mounds and so could quite easily have built a ramp to drag the stone up. Mortice and tenon joints, they have examples of these preserved from wet sites in this country that date back to at least a thousand years before Stonehenge, and there are no writings as such on the stones unless you count more modern graffiti, but there are carvings of daggers and axes that appear to date to the time of Stonehenge's building.

Question: I saw from the program that people were used to pull the ropes. Is it possible that beasts of burden were used for the heavy pulling? ~Sondra

Answer: It is possible that oxen were used to assist with the pulling and they would have liked to have carried out some experiments. Unfortunately, oxen, unless they have worked together before, are remarkably uncooperative beasts, and they were unable to get a team together. But this is possible.

Question: What type of marks, if any, were left on the monoliths as evidence of how they were moved? ~Keegan

Answer: There are no marks on the monoliths that provide evidence of how they were moved.

Question: In a book I read, it said that they probably put burning branches on a place they wanted to cut, then poured cold water on, cracking it. Is this what your experiment showed that they did? ~Scott

Answer: They didn't really go into the shaping of the stones, but fire is one way of breaking and shaping a stone like sarsen. It obviously carries risks, and having quarried a 40-ton block, it would be unfortunate to crack it in the wrong place. My feeling is that most of the shaping is done by pounding the surface of the stone with mauls ranging in size from footballs to small grapefruit.

Question: To move the stones, could the ancients have lashed enough logs to the stone to form a cylinder, loop ropes around the complete assembly, and pull on the upper loops to roll the stones to their site? ~Dave

Answer: This was one of the ideas that mark and I discussed and then rejected when they were thinking about how they could move the stone. It would certainly work, but could be potentially very dangerous when trying to control a 40-ton garden roller going downhill.

Question: Who owns the property on which Stonehenge is located? ~David

Answer: The land on which Stonehenge lies is owned and administered by English heritage. Effectively it's owned by the English people.

Question: Most religious practices in those days involved some sort of ritualistic or real animal sacrifice. Is there any evidence of such at Stonehenge? ~Botkin

Answer: I don't think they can be certain that most religious practices at this time involved sacrifice and there is no direct evidence of this from Stonehenge.

Question: How did they carve out the holes in the top piece and how did they make the stone pins that fit inside? ~Mark

Answer: Both of these elements of the mortice and tenon joint could only have been made by pounding away the surface of the stone. Obviously, to make the pin, all of the stone around this would need to have been removed, leaving the pin standing proud.

Question: Could it be that the large stones were moved not on tracks, as such, but on streams or slusways for irrigation/flood control systems? ~David

Answer: Water transport would obviously be an ideal method for these large stones, but unfortunately, there are no convenient river which run between the source of the stones and Stonehenge. The route crosses high and undulating chalk downland, so this method could not have been used.

Question: Have you considered using a series of sliding fulcrums where each end of the 40-ton stone is pulled in turn, and in effect walking it balanced in the middle? I have done this with large 18th century logs for a log house with only one helper. ~Willard

Answer: Although the walking method of moving large weights can be used and was used to move some of the Easter island statues, they felt that stones of 40 tons could not be moved in this way over relatively soft ground with any degree of safety.

Question: Might the weather conditions have been different enough 4,500 years ago to use snow and ice to reduce the friction of dragging and also to build ramps? ~Ken

Answer: The weather conditions at the time that Stonehenge was built were not dissimilar from those that they find today. Ice or snow would be a great way of sliding the stones, although it would make pulling for the pullers a lot more difficult, but could not be relied upon.

Question: Were the workers forced labor, or was it perceived as a community goal with benefit for all? Who was doing the farming during the construction? ~Joan

Answer: It seems unlikely that Stonehenge was built by forced labor. They have no evidence of this in society at that time. I feel that the people probably gave their labor willingly in the construction of a monument that had significance for a great many. Obviously, there would need to be sufficient people still left to carry out the farming, although the building work could be a seasonal activity, perhaps carried out at times in the agricultural cycle when not everyone was needed to work in the fields or look after animals.

Question: If, as is estimated on the show, it took up to three weeks just to carve out the bowl for the tenon for the lintel, how long may it have taken to shape the stones themselves? How much work did they put into the shaping of the stones? After all this time, it's fairly rough-looking. ~Joe

Answer: The shaping of the stones was obviously a very laborious process. As far as how long each stone took, they obviously can't tell from their finished form how much stone had to be removed to achieve this shape. Some of them do look quite rough, whereas others are very finely finished, and they suspect that they simply chose the optimum shape as the stone came out the ground, and then shaped it as much as they possibly could.

Question: Any sense of the role women may have played in the creation of Stonehenge? ~Bob

Answer: Personally, I'm sure that the building of Stonehenge was a truly communal task in which everyone participated, whether young or old, man or woman. It's interesting to note that the depiction of the building of Stonehenge which English Heritage had on display until quite recently showed only men involved in its construction.

Question: Since there were previous wooden structures at the site, why do you think that particular spot is so special throughout time? ~Heidi

Answer: The reason why that particular spot was first chosen for the construction of a simple earthen circle and some burials is uncertain, and why that simple circle then became the focus of such an extraordinary building is equally something that archaeology can't explain. Archaeology can't get into the minds of the builders.

Question: I believe when the holes were dug, the dirt was put in a large mound in front of where two of the upright stones were to be placed. The stones were then raised to upright with a mound of Earth acting as a stop support and later as an incline to facilitate moving the lintels in place. ~Gayle

Answer: The holes that the stones were set into certainly wouldn't have provided enough soil to construct a stop or a ramp for erection of the uprights. What is obvious is that if a ramp was used, then large quantities of soil and chalk would have had to have been brought on to site and later removed. This is why I still personally feel that the use of the timber crib was more likely for raising the lintels.

Question: I am trying to figure out how the original Stonehenge could be raised by using your methods, since you required a couple hundred yards of empty space on one side of the stone and enough space to lay the stone flat in the other direction. In the pictures, these stones appear to be very close together. By the way, great job and very interesting. ~Trudi

Answer: The stones in the center of Stonehenge are set quite close together, and the requirements of space certainly seem to suggest the order in which certain elements of the building were erected. The sarsen trilithons in the center clearly had to go up before the outer sarsen circle. But Mark thinks that his methods would work, and that there was enough space to carry out in the way that he suggested.

Question: Living in rocky New England, my mother-in-law and I had to use ingenuity to move a huge underground stone in order to plant a straight row of border hemlocks on their property. I would not say they were muscular types, but my elderly neighbor showed us how to dig a small hole next to the boulder, toss in stones, dig some more, toss in a few more stones, until they actually made the bolder pop out of the ground. Might the stone age builders are used stones as leverage instead of ramps to set the Stonehenge stones upright? ~Dorothy

Answer: The difference here seems to be between moving something out of a hole in the ground and raising something up above the ground, but basically, the principle is the same: You are presumably levering your stone up onto its bed of small stones, and I think you are suggesting dragging their stone up a ramp made of small stones. Chalk was certainly easier for them to get hold of to construct a ramp in this area.

Question: Do you know if they've sunk deeper into the ground since they were first placed and erected? ~Adam

Answer: Chalk is actually quite firm bedrock and it's unlikely that they have sunk further into the ground since they were first directed. What has happened is that the surface of the chalk has lowered the solution perhaps by as much as half a meter and so less of the stone is actually set into the ground than when they were first erected.

Question: What is the purpose of a calendar that only accurately forecasts two days of the year? ~Shea

Answer: It all depends how significant these two days are, and if they are times in the year which mark significant turning points at which people can gather and celebrate, then that calendar has a lot of purpose. My feeling is still that the midwinter solstice, which is pretty close to their Christmas, was the most significant of these turning points.

Question: It was mentioned that the monoliths stand 20 or 30 feet above ground. How deep below ground level are they buried? ~Dory

Answer: The depth below ground varies quite significantly. The one that fell over and broke a couple of hundred years ago was not buried as deeply as many of the others. Anything up to about 10 feet of stone is still buried under the ones that they know, but some have never been investigated.

Question: You mentioned the use of a timber crib, since the U-shaped circle of stones in the center were after the ring. The earth ramp is limited by the area inside the outside ring, right? ~Dawn

Answer: They can't be exactly sure of the order in which the sarsen horseshoe and the outer sarsen circle were built, but common sense suggests that the inner horseshoe was built before that complete outer ring; otherwise, getting those big stones into the middle and erecting them would have been very difficult.

Question: Why did one of the largest monoliths fall over? Was it an earthquake? ~Mark

Answer: No. It was probably due to the fact that it wasn't set as deeply into the ground as many of the other stones and there is evidence that the people have been digging at the base of that stone possibly looking for treasure.

Question: Do these rock structures have any connection with the menhirs? ~Joe

Answer: There are part of the same megalithic tradition—in other words, a tradition of building using large stones of which the menhirs and alignments in Brittany are a part—and they're all constructed at roughly the same time.

Question: Considering the accuracy with which the monoliths were placed, what tools were found, not for building, but for measuring distance from the angles necessary for the use of such elaborate principles of physics to construct the trililthon? ~Brian

Answer: No measuring or surveying tools have been found from this period, but as they would presumably have been made of wood, it's not surprising that they haven't found any.

Question: I was wondering if there was any truth to the statement made by someone about the circumference of Stonehenge. I heard the circle would fit exactly inside one of the Great pyramids in Egypt, with each of the walls touching the circumference of stonehenge. Could there be some possible link between these two great mysteries? ~Alfred

Answer: I'm afraid that I don't know whether Stonehenge would fit inside one of the Great Pyramids but if it would them I'm sure that it is co-incidence. There doesn't seem to be anything else to link tie two great sites.

Question: When I visited Stonehenge in 1987 I was told that the current monument was the 6th or 7th on the site and that it had never been a place of habitation, except during the various constructions and a few religious caretakers. It is still a windy hill top without a large settlement in sight. Is this this current thinking? And, if so, what do they know of the people who built Stonehenge that they would take so much trouble in a place away from where the bulk of them lived, hunted, farmed, etc.? ~Mary

Answer: Stonehenge has a long sequence of construction and modification and I suppose that you could say that there have been several separate monuments on the same spot, starting with a simple earth circle and ending up with the elaborate stone structures that they see in ruins today. People appear never to have lived at Stonehenge itself, in the same way that people don't live in most churches. The evidence that they do have suggests that there were settlements in the vicinity at the time Stonehenge was built and used but not close by. There appears to have been a sacred area surrounding it, defined by cemeteries of burial mounds, within which people were presumably not allowed to live or farm. Just beyond this prehistoric life carried on just the same as everywhere else. The reason that Stonehenge seems so isolated today is that all the medieval villages which are the villages of today lie in the river valleys to east and west. For centuries Stonehenge has been surrounded by pasture and now arable land.

Question: I think that instead of erecting the two bigger stones and then putting the third on top, that perhaps the protrusions in the two larger stones were used to help hold the third stone on. I realize that it would take more than just these protusions but it seems to me that it might be easier to erect all three vertically at once. Perhaps incorporating your ramp to help raise all three stones. This is just a suggestion. Great show and great work. ~Mark

Answer: You are not the first one to suggest erecting the whole trilithon at one go. Personally I wouldn't like to try 90 tonnes (plus all the timber you would need to hold the whole thing together) even with the mortice and tenon joints holding the lintel roughly in place. Thanks for your comments about the show.

Question: Very little was said about the numerological (dimensional) aspects of the site. any ideas why there were the number of stones there were in the circleor why the stones were set at the specific height they were? do they align with any constellations or particular stars or is it purely a solar tool? ~Dave

Answer: They were really concentrating on the construction aspects with a bit about the site and its context thrown in. You would need a whole series of programmes to look at aspects like the geometry, astronomy etc. I personally am not a great fan of the complex astronomy idea but try looking at a book called 'Stonehenge; Science and Society' published last year which has a good article about astronomy. Basically, as far as I'm concerned, Stonehenge is a big seasonal calendar (and a wonderful place).

Question: Besides the greased rails that may have been used to move the stones, is there any evidence that the builders slid stones down hills (perhaps after a rainstorm) to take advantage of the natural terrain to ease the transport? ~Kevin

Answer: No evidence at all I'm afraid. There appears to be no trace of any route or construction but I'm sure that the builders would have used anything to make their job easier.

Question: Is it possible that the purpose of stonehenge was a sort of gateway to the heavens, what these early thought of as the transcendental realm? It seemed to me that the clustering of the grave sites around stonehenge might deliver a clue to this. ~Jack

Answer: Possible but the one thing that archaeology won't do is deliver us access to the minds of the people that built Stonehenge.

Question: 1. Why use the animal-fat-based greased "cold" - why not keep pots of it heated for continual application as needed?

Answer: I'm not sure that this would deliver you much of an advantage, it might make the fat too thin.

Question: Another question addressed ice/snow - but why not dig a shallow ditch to pour water in during sub-freezing yet non- snow times - stone slides on this frozen railway, but lack of snow outside it, gives traction for stone-moving team.

Answer: Possible but given unpredictable weather this could severely restrict the time that was available for stone moving.

Question: For hoisting stones, consider tripod lift structure, not just A-frame. No pulley; just run ropes over vertex. Alternately add notched post as third leg to A-frame - can rest vertex of A-frame in each notch for incremental lifts. ~Ria and Brooks

Answer: Mark and I think that a 40 tonne straight lift would have been impossible. The sort of ropes that they assume were available probably would not have been able to cope with this.

Question: I know that on the summer solstice, the sun rises directly above the heel stone, the one in the opening of the circle. If one were to draw an imaginary straight line from the center of Stonehenge and through the heel stone, is it possible that this line would intersect with the Bosporous ("Cow crossing") or Heliopolis ("Sun city") in Egypt? ~Richard

Answer: No

Question: What do you think of water being used to move the stones into position. I created a mock experiment. I discovered that a circle of wood timbers supported by the mounding of earth around them, for reinforcement and ramp, would provide the perfect arena to maneuver the stones into exact positions. The most man power needed would have been in pulling and pushing the stones up the ramp, as you demonstrated in your show, and then sliding them down into the water. Ropes secured around the stones would allow workers to move into place with much less man power than expected! I think this theory has merit. This method could be accomplished without the wheel pulley's or hundreds of men. Perhaps they even made a ravine filled with water to move the large stones using beasts of burden over (below) ground to their destination? This theory has merit. I'm interested in your thoughts. ~Brian

Answer: I'm not sure exactly what you are suggesting and can't see the advantage of having the stones in water (they would sink - or have I missed the point). There is a problem too as Stonehenge lies on chalk which is probably the most porous sort of bedrock that you can find. There is no evidence of a water channel (canal) to transport the stones in and there would be a problem here too as the route that the stones would have to take is over very undulating terrain.

Question: If they used one A-Frame could they have linked two or three of them, and reduced the effort more? ~Doug

Answer: Possible, but I suppose there comes a time when the construction of more and more A frames is more trouble than rounding up a few more volunteers. It's a good thought though.

Question: Is it possible that Stonehenge was created as a place of healing for those with nasty contagious diseases? That might explain who paid for the work (the wealthy who had taken ill). It might also explain the burial mounds (quarantine areas) and way the burial mounds were ranked with the wealthiest men being closest to Stonehenge. The fact that at least some of the gold artefacts were not stolen from the barrows might indicate that people were afraid to go near these places Also doesn't it seem possible that the fellow that used the ramp to cap the trilithon got it right. If you were going to excavate enough earth to place a 40-ton stone would you not want to utilize the product of your labor to make a ramp? This would also enable these people to raise and cap the trilathon in one day. Maybe during an elaborate ceremony to celebrate the work. ~Brad

Answer: Lots of things are possible with Stonehenge but I haven't heard the idea of the wealthy and infirm funding it before. I'm not sure about your ideas concerning quarantine. Regarding the ramp, the volume of chalk that you would get from the stonehole is comparatively tiny compared to that which would be needed to construct a ramp (maximum of eight cubic meters compared with at least 100 cubic meters). How would this enable the people to raise and cap the trilithon in one day? I am quite sure that however it was done there must have been a celebration when they finally completed the building work.

Question: I noticed several questions about using pulleys. I, too, thought of this idea, and considering how simple it is to make a wheel, I am wondering why you think the wheel hadn't been invented. Also, considering that wood would not last these thousands of years, why would you expect to find any archaeological evidence of pulleys? I think you are underestimating the intelligence of these ancient engineers. Also, do you have any _real_ engineers working with you? I doubt you, as archaeologists, have nearly the mechanical know-how or ingenuity of even the least intelligent ancient engineer. ~Daniel

Answer: As archaeologists they have to take the absence of evidence seriously. There have been enough excavations of waterlogged sites with artefacts of all types surviving (but no wheels) to lead us to believe that the people that built Stonehenge were not using the wheel. Of course they don't underestimate the intelligence of the ancient engineers. You seem to have overlooked the fact that Mark Whitby, who played a central role in the experiment that was part of the NOVA program, is a "real" engineer. I am sorry that you have such a low opinion of archaeologists; maybe they don't have the accumulated skills of an ancient engineer (even one of the least intelligent ones) but they do have a genuine love of the past and a healthy respect for its inhabitants.

Question: You've probably answered the concepts of "counterweights" a million times, or even the compulsion for it. With buckets, ropes, logs, ramps, sand and/or rocks - progressively increased sizes of rocks - could these wonders have been built by just a few folks? Is there a technically disqualifying aspect of this concept or simply a, "why SHOULD they use counterweights"? ~Lee

Answer: Theoretically it would be possible to move large weights by using a small weight to help move a larger one, etcetera, but I think the idea of Stonehenge being the work of a small group of people is unlikely. You certainly couldn't move the big stones in this way.

Question: I was wondering if it would be possible if they could have built a hill over the entire area. Then simply dig a hole or possibly used forms before the dirt was hauled in. In this manner the large stones could be set in place in much the same way as shown on May 5. I would have to see a Geothermal map of this area to be able to tell if there were any large holes dug that would suggest this. ~Randy

Answer: Theoretically possible, but unlikely. The volume of chalk and soil required would be huge and there are no signs of any quarries in the vicinity of Stonehenge which could have provided this material,

Question: Could there be any link between Stonehenge and other large stone works elsewhere on earth, such as the pyramids? As there is no reliable written history, could the "giants from Africa" be Egyptians, or another race, and isn't it funny that they all came from relatively the same time period?.....the workmanship is a little different, but still, the tactics used to move large pieces of stone seem to be the same, at least in modern re-creations............. ~Jay

Answer: Although it is tempting to see similarities between Stonehenge and other large stone structures, the only ones which have a real link are the great alignments and other megalithic structures in Brittany. The idea of the architecture of Stonehenge coming from the Mediterranean area (or even from further afield) effectively died when radiocarbon dates became available and showed that Stonehenge was older than all the civilisations that were supposed to have influenced its design and construction.

Question: You mentioned that Stonehenge was erected 4500 years ago. How many 1000s of years ago did human first habitate in this area (U.K.)? I always thought the Mediterannean (Egyptian) area was one of the first locations for human inhabitants. Am I correct when I say that was about 2000 BC? ~Scott

Answer: There has been human (or initially hominid) occupation of what was to become the British Isles since about 500,000 BP. After this various ice ages meant that there were no people around for long periods. Further south in Europe and beyond they didn't have to contend with ice so there has been habitation for even longer. There isn't the time to go into this in detail but, suffice it to say that people had been around in the areas that I have mentioned for a very long time by 2000BC.

Question: I visited Stonehenge when I was eight. I do not remember the dimensions. But, is it possible that all three pieces of a trilithon could be raised together? Perhaps tied together and lashed to a wooden frame, then raised? I believe this would be labour intensive, but more simplistic in engineering it. Has anyone tried? ~Bill

Answer: No one has tried to raise the three components of a trilithon together. The whole thing would weigh about 90 tons, not counting the timbers that you would need to hold it together for the lift. It certainly couldn't be done for the Great Trilithon as they know that the two uprights are of unequal length which would make this method impossible.

Question: I have heard a brief mention of a way that someone could lift a mega ton stone. By finding the Zero gravity spot on these stones single individuals could lift massive tones with ease. Have you heard of such an explanation? Is there any proof that this could be possible? ~Jim

Answer: I'm not sure what the zero gravity spot is but it seems to be against all the laws of physics.

Question: In the Stonehenge project, what if the hole that was dug for the vertical stones was "c" shaped so that the stone would slide in, then use its own momentum to stand itself erect? Is this possible? Thanks for your input. ~John

Answer: I don't think that the stone would stand itself erect in the base of a "c" shaped hole. You would have to balance it there before packing it firmly in place and I think that it would be potentially much more unstable than if it was in a hole with one vertical and one ramped side.

Question: The show was very interesting. However, the people in the show forgot about the one resource that the people back then had. That was time and lots of it. The construction of Stonehenge may have taken many many years, not the short period of time that the show seemed to be portraying. The stone age people also undoubtably used many many more people than the show did. They may have also used captured enemies to do the work also. The cap piece could have been "walked" up the ramp by pulling on one set of ropes at a time, effectivly doubling the manpower. Did the stone age people know about the block and tackle or even an early form of it? Overall, though, a very educational and wonderful show. Please keep up the great work. ~Clifford

Answer: They are quite aware that people had a lot of time and they did not intend to imply that Stonehenge was built in a short period of time. What they showed was that it could have been built in a shorter time than many people estimate. I disagree that they undoubtedly used many more people than they did. As numbers grow then the ability to co-ordinate effort lessens.. Prof Atkinson suggested that over 1000 people were needed for some of the tasks, but such an army of labourers would have been well nigh impossible to manage. I disagree about "captured enemies" - there is no evidence for slavery in the British Neolithic/Bronze Age. They have no evidence for block and tackle (the wheel was not used until much later). Sorry to disagree with so many of your points. Thanks for your comments about the show.

Question: Would it not make sense to only roughly cut the stones at the location in a cylindrical form and roll them to the final assembly point, where the final square cutting would be performed? Do the dimensions of the uprights + the dimensions of the topping stones add to a cylindrical shape? The tracks seem to be way too much capital and human investment for the task at hand. Does the quarry have evidence to show the stones were cut square at the site? Another method would be to build wooden craddles shaped like wheels for either end (actually best if placed at 1/3 and 2/3's of the length) of the stone, using the stone as the connecting axle. Clearly from the shape of the final building and the burial mounds the concept of the circle, and hence the wheel, was probably well understood. Enjoyed the program but agreed with the analysis that the solutions were over engineered. ~Jon

Answer: The sarsen stones at the place where they originate are found largely as flat slabs (sarsen is a sedimentary rock). It is therefore unlikely that any of cylindrical form would be found which could be rolled as you suggest. Regarding the quarry - the stones are not cut out of solid rock, they exist as detached slabs of rock embedded in redeposited chalk. Why do the tracks seem too much capital and labour investment for the task? You would only need to make a short length of track which could be taken up and relaid in front of the sledge and stone. If it makes the task easier then it would be well worth it (there are earlier sophisticated and well constructed Neolithic wooden trackways in peat bogs in nearby Somerset). Despite the circular henges and barrows there is no evidence of the wheel at this time. Glad you enjoyed the show.

Question: Could you have tipped the large stone to vertical by men pushing the top with timbers and driving wedges or filling with stones behind? Also, were the pits dug that deep? Wouldn't a considerable amount of silt layers have accumulated over the thousands of years? ~Bruce

Answer: I think it would be difficult to generate enough force to tip the stone by pushing with timbers as you suggest. Wedges would help but filling in with stones behind can cause problems if they trickle round the sides and front and hinder moving the stone to upright. The pits were dug that deep, the stones put in and then the remainder of the hole packed tight with stones and chalk. No room for silt to accumulate.

Question: During the NOVA program, raising Stonehenge, the question of the methods used to erect the stones was bandied about, in particular how the lintels were raised. Simply put has any stratagraphic analysis of the soils around Stonehenge been done with an eye to spoils piles removed from putative dirt ramps? Could these piles be detected to this day by virtue of the disturbed strata and presumably undisturbed soils in the area of the monument? ~Don

Answer: The soils over the chalk are very thin in the vicinity of Stonehenge and there is no sign of the spoil from an earthen ramp. There is also the question of where the chalk etc would have come from in the first place. You may gather that I am not a fan of the ramp idea and prefer the timber crib method.

Question: I had thought that the stones in Stonehenge were of a sort that came from Wales? Sorry to make your Herculean effort sound trivial but perhaps boats were used to bring to a spot even further than yours? Also how does one use bronze tools to cut rock? Thank You for you foray in History. ~JTB

Answer: It's the smaller stones, the so called "bluestones" that come from further afield, from the Preseli mountains in Wales to be precise. It is suggested that they came part of the way by water. This can't be the way that the larger Sarsens were transported, as there aren't any convenient rivers that run from the place where they are found to Stonehenge. You can't use bronze tools to cut rock, except very soft ones like chalk. You certainly can't cut sarsen with bronze—even iron makes little impression.

Question: I think the idea of the A-Frame lever was very good. Why not use another mechanical advantage for transporting the stones, namely a pulley? Rope is affixed to a post in the ground, run around a post attached to the stone, then pulled upon by the pullers. 2X advantage! ~Dave

Answer: They didn't use a pulley because there is no evidence for pulleys, or for any other type of wheel, from this period in prehistory.

Question: What was the average life span of the stonehenge builders? ~Scott

Answer: They have no firm evidence about the average life span of people at this time. Many people have the idea that life was "nasty, brutish and short" but human bone certified may have been routinely underestimating the age of people at death and there is no reason why you couldn't survive at least into your 50's if not beyond. It might seem simpler but the forces required to raise this would be huge. They know how much the monoliths weigh as they can calculate their overall volume (including the pit that is underground) and they know the density of sarsen (or bluestone). Also, some of them have actually been lifted by crane while being re-set which is also a good guide.


Second Interview Questions You Can Expect And How To Answer Them

Second interviews are cause for celebration, but also for plenty of preparation.

getty

When you get to a second interview, you’re in a positive position to make an impact and secure the job you want. It’s evidence that you’ve passed the first hurdles for the role and the organization sees potential in you. But while it’s cause for celebration, it’s also cause for continued effort, intention and determination.

It’s a tight job market and there is plenty of competition—so your ability to demonstrate your commitment, current skills and future growth will be essential to setting yourself apart and putting yourself ahead of other candidates for the role.

What A Second Interview (Really) Means

When you get a second interview, it means the company sees something in you that they find interesting and see you as a possible match to the job and their culture. It’s an indicator you’re being seriously considered—so you’ll want to make the most of it.

Depending on the job, the second interview could be the final stage of the process, but you’re wise to keep your expectations realistic since there could also be additional rounds of interviews. For any job, there are significant numbers of applicants, so the interviewing process is designed to obtain increasing amounts of information and be increasingly selective—narrowing toward the most ideal person for the job and the organization.

As the pool of candidates is reduced, the number of people you meet with will typically increase. You’re likely to be interviewed by team members and senior leaders as well as HR and your hiring manager. And second interviews are usually longer. They can range in length from an hour to even a full day—as the company seeks to learn as much as they can about you from multiple perspectives.

In the second interview, you’ll be asked to respond to more specific questions which go deeper, are more specific and which are typically tougher.

The bottom line: You’ll have the opportunity to shine with a variety of interviewers, and the process will increasingly seek to dig into who you are and what you’re able to contribute to the organization. You’ll want to research, prepare and plan for the process in order to demonstrate your best.

This is what you’ll likely be asked—and how to respond.

Be specific about why you're interested in the role and the organization.

getty Your Interest in the Role and the Company

You will certainly be asked more about what interests you about the role and the company. Interviewers may ask you questions like these.

  • What interests you about this role and about this company?
  • Why do you think this role is a good match to your skills?
  • Tell me more about what draws you to this job.
  • You’ll want to be specific about elements of the job that match your skills as well as aspects of the company that attract you—especially based on what you’ve learned in the process so far. Be sure to balance your enthusiasm for the role and the organization. If you overemphasize the company over the job, the hiring leader may be concerned you just want to get your foot in the door of the organization and lack commitment to the job itself.

    You’ll also be wise to demonstrate the research you’ve done on the position and the employer, but balance it with an understanding that you will have more to learn. If you come across as presumptuous in what you know about the job or the company, that can be a turn off.

    Your Strengths, Weaknesses and Impacts

    You’ll also be asked about yourself—in multiple ways. The interviewers will be seeking to learn about your strengths, weaknesses and the impacts you’ve had. Examples of interview questions include:

  • In which parts of your last job did you excel? Which were challenging for you?
  • What did you enjoy more or less in your last job and why?
  • Tell me about a time when you failed or struggled and how you handled it?
  • What is your greatest weakness?
  • What have you done to impact or Strengthen your previous job or company?
  • Tell me about an achievement you’re most proud of.
  • You’ll want to answer these questions with plenty of detail and examples of your impacts, rather than generalities about your skills. This is the time to provide specifics about what you encountered, how you handled things and the outcomes. Interviewers will be looking for details and they’ll be turned off if you are too superficial in your answers.

    Interviewers may ask questions to discover how you handled challenging situations.

    getty Your Relationships

    Companies are also especially interested in learning about how you interact with others. They may ask questions like the following.

  • What actions have you taken to build and maintain strong relationships with team members and others in your organization?
  • Tell me about a time you had a conflict or difficult situation with a co-worker and how you handled it?
  • Can you provide examples of your communication skills or interpersonal skills?
  • What role do you typically take on a team?
  • In this case, be sure to talk about how you build and maintain relationships. Employers won’t be looking for perfection in your work relationships or sailing that is always smooth, but they’ll want to hear about how you worked through disagreements constructively or handled differences of opinions for positive project outcomes.

    Be sure to share information about how you work on a team, the ways you collaborate successfully and the constructive influence you have on others.

    Your Judgement

    At this stage, you’ll likely also get questions about your judgement. You may be asked:

  • Tell me about a time when you were asked to do something you considered to be wrong or unethical and how you handled it.
  • Tell me about a time when you had to make an especially tough decision and how you handled it.
  • Here, you’ll want to share examples that show your integrity as well as your ability to reflect, consider and take the best action in a situation. You’ll also need to talk about the impact of your actions and choices.

    Your Expectations

    Another line of questioning in a second interview is typically related to what you want and need from the experience. Interviewers may ask questions like these.

  • What is your preferred salary?
  • In what ways do you work best (alone, with others, etc.)?
  • What is your preferred working model (remote, hybrid, in the office)?
  • What aspects of the organization culture are most important to you?
  • In which kinds of cultures are you most likely to thrive?
  • What do you need from a leader to be successful?
  • Obviously, you’ll want to tailor your responses to your preferences, but also to what the job offers. If you expect a salary that is much higher than what the job offers or you expect to work remotely from an island paradise when the job is onsite, the employer won’t see a match—so be sure you’re realistic about your expectations and that you balance your desires with the options the job provides.

    Also be authentic and clear about what you need from a culture and a leader. When people are happiest in jobs and companies, it’s typically because there is a good match between what’s most important and what the organization offers—so being real about your needs puts you in the best position to land something that will satisfy you.

    Your Previous Organization

    You may also receive questions which seek your opinions on your last company or job. Be careful in answering these questions, ensuring you’re constructive and diplomatic in your answers. Interviewers will be turned off if you disparage a previous employer or job.

    Do plenty of preparation so you can set yourself apart in your interview.

    getty Your Future Potential

    Interviewers will also ask you questions to determine how you’ll contribute immediately and to determine your future potential with the organization. They may ask:

  • In what ways would you plan to establish yourself and your credibility during your first 6 months on the job?
  • What are your career goals?
  • Where do you see yourself in three years?
  • What motivates you?
  • For these questions, you’ll want to share specific ways you plan to hit the ground running—how you’ll ask questions, seek learning, build relationships and make contributions—based on what you know about the job and the company. And you’ll want to share your interest in contributing to the company over time, demonstrating your enthusiasm for today’s role and your future growth.

    Here, you’ll want to balance your answers as well—showing you’re interested in the current role and also that you’ve given thought to your future, your goals and your desire for growth.

    Prepare to Succeed

    Overall, your preparation for a second interview should be as much or even greater than for your first interview. Research the job and the company, and learn as much as you can about who will be interviewing you.

    Be ready with examples, stories, specifics and the themes that you want to emphasize. Consider what the organization wants in a candidate, and prepare your content with that lens in mind—talking about aspects of your experience which is most relevant to this particular role.

    And prepare questions as well—since these will send a message about your priorities, interests and commitment.

    Be Confident and Authentic

    Also be confident as well as authentic. You are more likely to be evaluated more positively when you’re self-assured and demonstrate you’re capable. Candidates who spoke more—and more quickly—and who gestured more and complimented others, were perceived as more confident. As a result they tended to be rated more highly by interviewers, based on research from the University of Nebraska.

    At the same time you’re confident, also be yourself. Interviewers will be more likely to evaluate you positively when you’re both honest and authentic. If you’re overly polished, they may perceive you as inauthentic or misrepresenting yourself and rate you more negatively, according to research published in the Journal of Applied Psychology.

    Embrace the Future

    With the strong job market, your opportunities are both plentiful and positive—so prepare yourself thoroughly and put your best foot forward through your second interview and throughout the selection process.


    Let lawyers solve the poll worker shortage, say Nevada's secretary of state and attorney general

    No result found, try new keyword!If a voter suspects something fraudulent is happening at a polling location, the lawyer could step in and immediately explain what the law is and offer an answer to the voter’s questions ... Bar of ...
     


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    Warum sind Cyberrisiken so schwer greifbar?

    Als mehr oder weniger neuartiges Phänomen stellen Cyberrisiken Unternehmen und Versicherer vor besondere Herausforderungen. Nicht nur die neuen Schadenszenarien sind abstrakter oder noch nicht bekannt. Häufig sind immaterielle Werte durch Cyberrisiken in Gefahr. Diese wertvollen Vermögensgegenstände sind schwer bewertbar.

    Obwohl die Gefahr durchaus wahrgenommen wird, unterschätzen viele Firmen ihr eigenes Risiko. Dies liegt unter anderem auch an den Veröffentlichungen zu Cyberrisiken. In der Presse finden sich unzählige Berichte von Cyberattacken auf namhafte und große Unternehmen. Den Weg in die Presse finden eben nur die spektakulären Fälle. Die dort genannten Schadenszenarien werden dann für das eigene Unternehmen als unrealistisch eingestuft. Die für die KMU nicht minder gefährlichen Cyber­attacken werden nur selten publiziert.

    Aufgrund der fehlenden öffentlichen Meldungen von Sicherheitsvorfällen an Sicherheitsbehörden und wegen der fehlenden Presseberichte fällt es schwer, Fakten und Zahlen zur Risikolage zu erheben. Aber ohne diese Grundlage fällt es schwer, in entsprechende Sicherheitsmaßnahmen zu investieren.

    Erklärungsleitfaden anhand eines Ursache-Wirkungs-Modells

    Häufig nähert man sich dem Thema Cyberrisiko anlass- oder eventbezogen, also wenn sich neue Schaden­szenarien wie die weltweite WannaCry-Attacke entwickeln. Häufig wird auch akteursgebunden beleuchtet, wer Angreifer oder Opfer sein kann. Dadurch begrenzt man sich bei dem Thema häufig zu sehr nur auf die Cyberkriminalität. Um dem Thema Cyberrisiko jedoch gerecht zu werden, müssen auch weitere Ursachen hinzugezogen werden.

    Mit einer Kategorisierung kann das Thema ganzheitlich und nachvollziehbar strukturiert werden. Ebenso hilft eine solche Kategorisierung dabei, eine Abgrenzung vorzunehmen, für welche Gefahren Versicherungsschutz über eine etwaige Cyberversicherung besteht und für welche nicht.

    Die Ursachen sind dabei die Risiken, während finanzielle bzw. nicht finanzielle Verluste die Wirkungen sind. Cyberrisiken werden demnach in zwei Hauptursachen eingeteilt. Auf der einen Seite sind die nicht kriminellen Ursachen und auf der anderen Seite die kriminellen Ursachen zu nennen. Beide Ursachen können dabei in drei Untergruppen unterteilt werden.

    Nicht kriminelle Ursachen

    Höhere Gewalt

    Häufig hat man bei dem Thema Cyberrisiko nur die kriminellen Ursachen vor Augen. Aber auch höhere Gewalt kann zu einem empfindlichen Datenverlust führen oder zumindest die Verfügbarkeit von Daten einschränken, indem Rechenzentren durch Naturkatastrophen wie beispielsweise Überschwemmungen oder Erdbeben zerstört werden. Ebenso sind Stromausfälle denkbar.

    Menschliches Versagen/Fehlverhalten

    Als Cyberrisiken sind auch unbeabsichtigtes und menschliches Fehlverhalten denkbar. Hierunter könnte das versehentliche Veröffentlichen von sensiblen Informationen fallen. Möglich sind eine falsche Adressierung, Wahl einer falschen Faxnummer oder das Hochladen sensibler Daten auf einen öffentlichen Bereich der Homepage.

    Technisches Versagen

    Auch Hardwaredefekte können zu einem herben Datenverlust führen. Neben einem Überhitzen von Rechnern sind Kurzschlüsse in Systemtechnik oder sogenannte Headcrashes von Festplatten denkbare Szenarien.

    Kriminelle Ursachen

    Hackerangriffe

    Hackerangriffe oder Cyberattacken sind in der Regel die Szenarien, die die Presse dominieren. Häufig wird von spektakulären Datendiebstählen auf große Firmen oder von weltweiten Angriffen mit sogenannten Kryptotrojanern berichtet. Opfer kann am Ende aber jeder werden. Ziele, Methoden und auch das Interesse sind vielfältig. Neben dem finanziellen Interesse können Hackerangriffe auch zur Spionage oder Sabotage eingesetzt werden. Mögliche Hackermethoden sind unter anderem: Social Engineering, Trojaner, DoS-Attacken oder Viren.

    Physischer Angriff

    Die Zielsetzung eines physischen Angriffs ist ähnlich dem eines Hacker­angriffs. Dabei wird nicht auf die Tools eines Hackerangriffs zurückgegriffen, sondern durch das physische Eindringen in Unternehmensgebäude das Ziel erreicht. Häufig sind es Mitarbeiter, die vertrauliche Informationen stehlen, da sie bereits den notwendigen Zugang zu den Daten besitzen.

    Erpressung

    Obwohl die Erpressung aufgrund der eingesetzten Methoden auch als Hacker­angriff gewertet werden könnte, ergibt eine Differenzierung Sinn. Erpressungsfälle durch Kryptotrojaner sind eines der häufigsten Schadenszenarien für kleinere und mittelständische Unternehmen. Außerdem sind auch Erpressungsfälle denkbar, bei denen sensible Daten gestohlen wurden und ein Lösegeld gefordert wird, damit sie nicht veröffentlicht oder weiterverkauft werden.

    Ihre Cyberversicherung sollte zumindet folgende Schäden abdecken:

    Cyber-Kosten:

    • Soforthilfe und Forensik-Kosten (Kosten der Ursachenermittlung, Benachrichtigungskosten und Callcenter-Leistung)
    • Krisenkommunikation / PR-Maßnahmen
    • Systemverbesserungen nach einer Cyber-Attacke
    • Aufwendungen vor Eintritt des Versicherungsfalls

    Cyber-Drittschäden (Haftpflicht):

    • Befriedigung oder Abwehr von Ansprüchen Dritter
    • Rechtswidrige elektronische Kommunikation
    • Ansprüche der E-Payment-Serviceprovider
    • Vertragsstrafe wegen der Verletzung von Geheimhaltungspflichten und Datenschutzvereinbarungen
    • Vertragliche Schadenersatzansprüche
    • Vertragliche Haftpflicht bei Datenverarbeitung durch Dritte
    • Rechtsverteidigungskosten

    Cyber-Eigenschäden:

    • Betriebsunterbrechung
    • Betriebsunterbrechung durch Ausfall von Dienstleister (optional)
    • Mehrkosten
    • Wiederherstellung von Daten (auch Entfernen der Schadsoftware)
    • Cyber-Diebstahl: elektronischer Zahlungsverkehr, fehlerhafter Versand von Waren, Telefon-Mehrkosten/erhöhte Nutzungsentgelte
    • Cyber-Erpressung
    • Entschädigung mit Strafcharakter/Bußgeld
    • Ersatz-IT-Hardware
    • Cyber-Betrug