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Jul 4, 2021 at 14:00 comment added rosuav Since the OP wasn't specific about time, vague approximations are all that there can ever be. Given sufficient time, even encryption can be broken. All it does is buy you more time. So my answer is still valid, since the functional difference is still a practical one.
Jul 3, 2021 at 12:13 comment added schroeder Right, you've just described "detection" not "prevention". And you still haven't described what you mean by "a lot of time". Since the OP is not specific about the time, making an answer all about time without any context really isn't helpful. And laptop drives (which is what was mentioned) are on average between 500GB-1TB, so that's why I used 500GB drives in my quick research. If you have over 1TB drives in your laptop, then you are a corner case.
Jul 3, 2021 at 1:01 comment added rosuav Not sure what hardware is cloning that 500GB drive in 30 minutes, but (a) my drives are all >1TB, and the time goes up linearly with the capacity; (b) if you're doing it over network then it's capped on network speed too; (c) there's also the time to set everything up.
Jul 3, 2021 at 0:59 comment added rosuav @schroeder I mean notice them in the act. If you left your PC somewhere and you come back to find someone with a screwdriver leaning over it, you're going to be suspicious.
Jul 2, 2021 at 22:54 comment added vsz @schroeder : it depends. If your situation is that you go to a bathroom break and are afraid that a friend or a family member or a collage will use that opportunity to snoop around, then 30 minutes is a very long time nobody would risk.
Jul 2, 2021 at 11:44 comment added schroeder "and hope you don't notice" -- is this a requirement? Once the data is copied, does it matter if it is noticed? And how much evidence might there be? At most, scratches around the screws, if you happen to look under your laptop for them.
Jul 2, 2021 at 11:43 comment added schroeder A quick look around some recent articles and forums shows that a 500GB drive can be cloned in less than 30 minutes. When you say "this usually takes a long time", can you quantify that a bit? You are saying that time is the biggest factor, but 30 minutes is not a lot of time. And time would be a "detection" control, not a "prevention" control, which is what is being asked. So, no, time does not prevent disk copies.
Jul 2, 2021 at 9:27 history answered rosuav CC BY-SA 4.0