Introduction to .Net security

.Net is a software framework from Microsoft that enables language-non-specific software development, resulting in applications that can easily interoperate across platforms and networks. A question seasoned developers should ask at this point is, "What about security?" The good news is that .Net provides a broad range of security tools and functionality to the developer. However, improper application of these security measures can be far more dangerous to than not applying them at all.
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