this post was submitted on 20 Aug 2024
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This practice is not recommended anymore, yet still found in many enterprises.

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[–] Fatcat560@discuss.tchncs.de 9 points 3 months ago

NIST seems to have it as a guideline for memorised secrets:

Verifiers SHOULD NOT impose other composition rules (e.g., requiring mixtures of different character types or prohibiting consecutively repeated characters) for memorized secrets. Verifiers SHOULD NOT require memorized secrets to be changed arbitrarily (e.g., periodically). However, verifiers SHALL force a change if there is evidence of compromise of the authenticator.