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.
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.
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.