What is it with websites restricting passwords to 8 - 16 characters? Is there some technical limitation to their system??
who @ who @feddit.org Posts 47Comments 312Joined 4 mo. ago
who @ who @feddit.org
Posts
47
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4 mo. ago
No, there is no valid reason to limit web passwords to lengths as short as 8 or 16 characters. If someone has built such a system with a technical limit that short, then what they have built is (from a security perspective) garbage.
Thankfully, NIST finally dropped their terrible password guidelines of the past in favor of sensible ones. Perhaps this will lead to fewer bad decisions being made in web development circles.
A few relevant sections:
https://pages.nist.gov/800-63-4/sp800-63b.html#usability-considerations-by-authenticator-type
https://pages.nist.gov/800-63-4/sp800-63b.html#length
https://pages.nist.gov/800-63-4/sp800-63b.html#passwordver
Obligatory xkcd:
https://xkcd.com/936/
(To be clear, this comic's approach to passphrases is sound advice.)