Tracy Reed <tr...@ultraviolet.org> writes:

> I do a lot of PCI security work these days. I have a good book on PCI
> security (I don't recall the name at the moment and don't have it on
> hand) which explicitly says that encrypted ssh keys (key plus
> password) counts as two factor authentication for the purposes of
> PCI. But brings us to the classic question: It may check the box
> saying "must have two factor auth" but is it really secure enough?

When I asked my auditor about this, their opinion was that though ssh
keys with a good passphrase can count on 2 factors, it fairly hard to
enforce the mandated password requirements on ssh keys. So they don't
think they'll meet the requirements.

seph
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