Learn to Crack Passwords

Everyone should know how to create a secure password, but responsible geeks can take it a step further by learning how to break into a comptuer. This skill—whether used on a Windows machine or a Mac—can really help you understand how computer thieves and hackers will try to get at your data. Learning the process means you know how to protect yourself against the process—not just with strong passwords but with encryption and other settings tweaks that keep thieves out. Similarly, you may also want to learn how to crack a Wi-Fi network's WEP and WPA password.