"Warning!," the email screams. (…)

One of the most complex and dangerous viruses ever was the Nimda virus, in September 2001. Nimda became the most widespread virus in the world a mere 22 minutes after it was released. (…)

The Michelangelo virus was the first real appearance of computer virus hype in the media. (…)

On April 26, 1999, systems around the world began dying. Something was both damaging information on hard drives and damaging their BIOS chips. (…)

Imagine a program that watches your computer. (…)

Robert Tappan Morris claims he only wanted to measure the size of the Internet, but he didn't count on the speed and power of his program. (…)

Do you know what goes on under the hood of your car? Do you know the solution for a warning light on the dash? (…)

Microsoft thought it was doing it's customers a favor by adding a programming language to Microsoft Word. (…)

There are plenty of reasons why malware is "bad." Are there any times when malware is valid and legal?
Many shareware programs today come bundled with adware. (…)

Internet Explorer has a way for a website to add itself to the list of favorites. It's a feature Microsoft added so that websites can have a button that says "Bookmark This Site! (…)

The Melissa virus was the big story of 1999. Named after a lap dancer, Melissa was the first major emailing virus. (…)

Science fiction writer David Gerrold wrote "When H.A.R.L.I.E. Was One" and published it in 1972. (…)

After the flurry of viruses that haunted 2001, 2002 was amazingly quiet. Unfortunately, 2003 took off again.
January saw the SQL Slammer worm infect over 75,000 systems in about ten minutes. (…)

Robert Morris's Internet Worm of 1988 was the biggest news in virus history for several years. Until 1992, most virus news was much quieter.
In 1989, for example, Ghostball was released. (…)

In building construction, a firewall is a structure designed to contain building fires. (…)

You're surfing the Web, enjoying a quiet afternoon, when a window pops up on the screen. "New Windows Antivirus Update Available," it says. (…)

Imagine a group of junior high school kids who decide to play a prank on their least favorite teacher. (…)

It's the ultimate nightmare for a computer user—the idea that someone outside the computer can take over. (…)

Adware is advertising delivered directly to your computer. Generally, a program puts ads on the screen at some regular interval. (…)

Computer Viruses are one of the biggest "bogeyman" of the Internet, and with attacks by Melissa, ILoveYou, Nimda, and Michelangelo, there are damage estimates and virus warnings all over the Internet. (…)