Feb
21st
Thu
21st
Clever exploit of DRAM to attack disk encryption
Security guru Ed Felten posts about “Cold Boot Attacks on Disk Encryption”, a sideways attack on BitLocker, FileVault, and other disk encryption programs.
Some excerpts from his post:
The root of the problem lies in an unexpected property of today’s DRAM memories … Virtually everybody, including experts, will tell you that DRAM contents are lost when you turn off the power. But this isn’t so.
Our research shows that data in DRAM actually fades out gradually over a period of seconds to…