April Ask The Expert Questions Posted

My ATE questions on SearchSecurity from April were just posted, and here they are:

Is the use of digital certificates with passwords considered two-factor authentication?
This question posed on 30 April 2007

How to test an enterprise single sign-on login
This question posed on 23 April 2007

What's the best way to verify client authentication across unrelated Web servers?
This question posed on 16 April 2007

Creating a personal digital certificate
This question posed on 11 April 2007

Is there an identity management software product for audit and analysis?
This question posed on 02 April 2007