Updated password guidelines say everything we thought about passwords is wrong

Updated password guidelines say everything we thought about passwords is wrong

No more periodic password changes

–It’s been clear for a long time that periodic changes do not improve password security but only make it worse, and now NIST research has finally provided the proof

No more imposed password complexity 

–Users now can be less “creative” and avoid passwords like “Password1$”, which only provide a false sense of security

Mandatory validation of newly created passwords against a list of commonly-used, expected, or compromised passwords.

-/-

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.

https://pages.nist.gov/800-63-3/sp800-63b.html#-5112-memorized-secret-verifiers June 2017

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