[$] Securely suspending LUKS-encrypted disks
When a laptop is asleep, its memory is not unreadable. The right tooling can attach to the computer's memory bus and read out its contents, and cold-boot attacks can theoretically read values from memory for a short time after the computer loses power. That is really an unavoidable fact about the hardware, but some users would still like to ensure that, even if this happens, their long-term…
We haven't written up this one. LWN has the full story — the link below goes straight to it.
