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    "Note that in practice it usually isn't possible to detect (audit) if a password is actually different, only that it was changed/reset." You can enforce that when setting a new password if you still keep the hashes+salts of older passwords around. That way you can check a new password if it also matches any of the old ones and reject it in that case. But retroactively it would of course not be possible to check that without knowing the clear text password, even with the hashes+salts. Commented Feb 18, 2025 at 11:55
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    I'm a little unsure what you are asserting in the first sentence. If you are subject to audits based on NIST standards, then you would be flagged for not following the NIST standards. I'm not following why that's 'academic'. Commented Feb 20, 2025 at 15:46
  • What standard requires that service accounts change their passwords? Commented Mar 13, 2025 at 15:15