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> Ideally you'd rotate them every 60 days.

This isn’t correct. Password rotation is a function of desired cover time (how long you want to maintain confidentiality) and password strength (approximate entropy and complexity).

If you randomly generate a password with 20+ mixed case alphanumeric characters, it’s theoretically safe against offline brute forcing attempts for more time than the universe has existed. Statistically speaking, you gain virtually nothing by rotating such passwords unless you know they’ve been compromised. On the other hand, you impose a significant security liability through usability friction.



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