Authentication
Authentication is the action of identifying your digital identity. Get educated on passwords, encryption keys, facial recognition and fingerprint scanners. See more »
what's inside: computer security systems channel
Computer security is an increasingly important consideration. From authentication to encryption keys, learn how to keep your computer's hard drive protected and your personal information safe.
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Computer & Internet Security
Computer surveillance and security covers a wide range of ways to keep you and your information safe. Learn about firewalls, zombie computers, hackers and workplace surveillance. See more »
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Can the government see what Web sites I visit?
The United States government is pretty much on your side when it comes to Internet browsing freedom. But some circumstances merit Big Brother's watchful eyes.
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videos: computer security
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How Trojan Horses Work
We all get spam e-mail messages that tell us to follow a link. But that link could download a Trojan horse. What is it, and how is it different from a virus?
Tech Talk: Computer Security Quiz
Computers can make life easier, but they also can put your private information at risk. Find out how much you know -- or don't know -- about computer security by taking our quiz.
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