Computer Security Systems

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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Both BO and Netbus are Windows 95/98 applications designed to allow other people to access your machine over the Internet. But here's the kicker - you're the one installing it!

A smart card may look like a credit card, but just like people, it's what's inside that counts. Find out how smart cards protect sensitive data.

From Trojan horses, to worms and viruses, we give you the skinny on how viruses can infect your system through email.

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Fortunately the Year 2038 problem is somewhat easier to fix than Y2K on mainframes. Learn about the standard time library and how C programming is involved with this computer blunder.

Computer viruses range from pesky to outright dangerous. Some just display a message, while others erase your entire hard disk. Clicking on what looks like a harmless e-mail message can lead to hours of recovery efforts, if not irreparable damage.

By Marshall Brain & Wesley Fenlon

Until recently, computer programmers used two-digit placeholders for the year portion of the date in their software. Guess what happened when we realized the system couldn't account for the first two numbers? Mass panic.

By Marshall Brain