Re: Password complexity/history - credcheck?

## Martin Goodson (kaemaril@googlemail.com):

> I believe that our security team is getting most of this from our
> auditors, who seem convinced that minimal complexity, password history
> etc are the way to go despite the fact that, as you say, server-side
> password checks can't really be implemented when the database receives
> a hash rather than a clear text password and password minimal
> complexity etc is not perhaps considered the gold standard it once
> was.

The current state of the art is documented (as in, "official", for
arguing with auditors) at
https://pages.nist.gov/800-63-3/sp800-63b.html#sec5

My advice would be to not use secrets stored in the database -
that is, do not use scram-sha-256 - but use an external authentication
system, like Kerberos (might be AD) or LDAP (might also be AD) and have
that managed by the security team: that way all these compliance
topics which they brought up also become their problem :) and a lot
of the processes of recovering and disabling accounts and changing
passords move into a central location, which is most often a good thing[tm].
Or maybe move to client certificates, but if you're managing more
than a few personal accounts rotating certificates might become a
hassle (depending on your user base).

Regards,
Christoph

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