Freely available decompilers such as .NET Reflector can give anyone
access in seconds to the full source code of your .net libraries and
applications. Most protection solutions offer various net obfuscation
methods like body protection, native code protection or assembly
encryption to protect your applications. CodeWall combines the best of
all of those protection types into a single easy to use product.
For more information about Net obfusation please visit :
http://www.codewall.net/