For those who don't have the desire or time to become experts on Windows security, follow this demonstration of using various .NET classes to test for a user's inclusion in one or more security groups.
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COM Security Primer, Part I
In the first of a two-part series, Jeff Prosise covers the all-important issues of COM security in terms of activation security and access security.
COM Security Primer, Part II
In the second of a two-part series Jeff Prosise focuses on remote server process identity and authentication.
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