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this post was submitted on 26 Jan 2026
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Privacy
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One could cool down system memory before power is cut to a point where it retains in-use plaintext encryption keys. One basically renders the otherwise volatile system memory temporarily nonvolatile. And if one manages to keep the temperatures low for long enough, one could swap those memory modules into one's own computer/motherboard and print the keys. As you can imagine, the resources needed for this type of attack makes the proposition of it infeasible. Then again, if your adversary is a nation state... Fingers crossed?