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24 Feb 2008
Researchers have found a way to foil disk encryption. A report from researchers at the Electronic Frontier Foundation, Princeton University and Wind River Systems concluded that many current consumer disk encryption programs can be compromised via a computer's DRam.
The problem is that data can remain in stored in memory even after the system is shut down. By cold-booting the system, an attacker could access data from the DRam and retrieve encryption keys.
But unlike many security problems, this is not a minor flaw; it is a fundamental limitation in the way these systems were designed.
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