Security Basics mailing list archives

Re: Expired certificates


From: edward.luck () didata com au
Date: 27 Apr 2006 04:26:38 -0000

This is an interesting issue, and the answer really depends on how evangelistic you are regarding PKI.  Since the 
content protected by the certificate does not use it - and I assume will never use it again - personally I don't 
believe it's a big problem.

*However*, people should never be given an excuse to get into the habit of ignoring certificate errors.  Any time an 
active website uses an invalid certificate, it only encourages poor user behaviour.  Ergo, you can say that it's best 
to remove any invalid certificates, which is being a good security citizen, which in turn helps keep the trust model of 
PKI working.

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