Summary
This whirlwind tour of Web Service security options was meant to introduce you to concepts and options that you have available, to provide some measure of security for your Web Services. At this time, .NET–specific security information is available online at http://msdn.microsoft.com, but you'll probably find entire books devoted to security—as well as some written about .NET security specifically.
Here, we mentioned that you have differing options depending on the breadth of your Web Service audience. If the Web Service is exported to systems on an intranet, where the users and computer identities are known, you can use security techniques designed for peer-to-peer communications, such as IPSec or HTTP Security.
Wider-scale Web Services ...
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