this post was submitted on 11 Nov 2023
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Mullvad's public encrypted DNS Servers run in RAM now (ghacks.net)
submitted 1 year ago by throws_lemy@lemmy.nz to c/technology@lemmy.world
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[–] ElectroNeutrino@lemmy.world 3 points 1 year ago* (last edited 1 year ago)

It's a variation of a cold boot attack. Instead of forcing an OS crash and rebooting into an OS connected to a portable drive, you cool the memory to extend the time you have before the data degrades and can then do whatever you want with it. I believe you can extend it up to a week.

https://citp.princeton.edu/our-work/memory/