Today on Security:
  How Fingerprint Scanners Work - Your fingerprints are not only unique; they're also very hard to fake and even harder to misplace. What better ID to use in a security system? Learn how fingerprint scanners know it's you.

  How Identity Theft Works - The idea that someone can "steal" your identity is very, very unsettling, but it happens every day. A lot of damage can be done in this situation. Learn all about identity theft and what steps you can take to avoid it.

  How Encryption Works - How secure is the Internet for sending sensitive information? Learn all about encryption, authentication, hash algorithms and more.

    
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