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Dec
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comment For maximum FileVault2 security, why is hibernation recommended?
Thank you for the answer and links! Those, and additional reading, suggests that in addition to an inception-type attack on a system where information is still in RAM, the passphrase that unlocked the filevault key may also be available in RAM. Hence even if one destroys the filevault key via "destroyfvkeyonstandby 1", the passphrase to unlock that key may still be readily available in RAM if the RAM is still powered. By using "hibernatemode 25" and thereby cutting power to RAM, all other passphrases in RAM will also be removed.
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asked For maximum FileVault2 security, why is hibernation recommended?