RE: Expired certificates

["Steve Armstrong" <stevearmstrong () logicallysecure com>]

There are three issues here:

1.      If you are not using it, recover the MS licence, data, server
space and save power.

2.      If it is not used it will not be monitored and an unmonitored
server will be a security if not now, then soon.

3.      If you have overlooked some application that uses the IIS
certificates, and users get to see them, they will either start asking
questions, or start to ignore expired certificate alerts.  

While No3 this is not a risk to for directly the IIS box, it is has a
negative message to the users that is hard to reverse.  Users cannot see
why an internal expired certificate is ok but an external one is not.
It's a debate you don't want to have.


HTH

Nebs

------

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-----Original Message-----
From: 1tgeye () surewest net [mailto:1tgeye () surewest net] 
Sent: 26 April 2006 16:51
To: Security-Basics
Subject: Expired certificates

We have an IIS server with an old certificate that has expired.  We do
not use it anymore and I am arguing to remove it from the site.  Other
people are saying it doesn't hurt anything and just leave it there.

Can anyone give me a reason why an unused but expired certificate could
cause a security risk?  I would like to add that to my argument why it
should be removed.

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