Failures happen. It's a fact of life, but you can learn to regroup and continue on.
Gain awareness of the .NET Web service developers involving replay attacks and learn about measures to secure the Web services they build.
Self-signed certificates aren't just for securing communication with sockets. Learn how to use them to encrypt text.
Securing regular sockets against tampering isn't that difficult if you follow this lead.
There's no shortage of functionality built into the .NET framework to help you encrypt and secure your data. Follow along and feel more secure.
Use SSH tunneling to secure MySQL connections.