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Hardware hackers bring cold boot attacks out of the deep freeze
Video If you can steal someone’s laptop, leave it switched on in sleep mode, crack it open, hook up some electronics to alter settings in the BIOS firmware, restart it, and boot into a custom program… you can swipe crypto keys and other secrets from the system.
When computers are restarted, the motherboard firmware can wipe the RAM clean to remove any lingering data. It is possible to, while a stolen machine is still in sleep mode, reprogram the firmware’s settings to disable this memory zero’ing, and then reboot it into a custom operating system on a USB stick or similar that then scans the RAM for any sensitive
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