Build a small application that takes a few lines of text and encrypts or decrypts it. Examples are in C# and VB.NET.
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Learn what GUIDs are, how to randomly generate GUIDs, and how to copy them. Examples are given both in C# and VB.NET.
Learn about using Captcha security as you work through a sample ASP.NET Web application.
Discover how to see whether or not your Firewall is enabled. The code provided is in both C# and VB.NET.
Explore the various ways to cater to Admin permissions in your Visual Basic programs.
Learn about just where the Internet of Things stands now, in terms of problems, security countermeasures, and responses.
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