Viruses can infect a number of different portions of the computer's operating and file system. These include: System Sector Viruses: These infect … [Read more...]

Computer viruses come in a variety of types. Breaking them into categories is not easy as many viruses have multiple characteristics and so would fall … [Read more...]

Normally, you obtain a virus by either attempting to boot from an infected floppy disk, by running an infected file, or by loading an infected … [Read more...]

These malicious programs are named after the Trojan horse, which delivered soldiers into the city of Troy. Like the horse, a Trojan program is … [Read more...]

A worm is a self-reproducing program that does not infect other programs as a virus will, but instead creates copies of itself, and these create even … [Read more...]

Back in the dim mists of time, most virus writers were people who just wanted to test the system and push the envelope. They delighted in finding a … [Read more...]

Software threats can be general problems or an attack by one or more types of malicious programs. Software Problems This category accounts for … [Read more...]

Just like a real bomb, a logic bomb will lie dormant until triggered by some event. The trigger can be a specific date, the number of times executed, … [Read more...]

By definition, viruses do not have to do something bad. An early (and current) virus researcher, Fred Cohen, has argued that good computer viruses are … [Read more...]

It's important to keep viruses in perspective. There are many other threats to your programs and data that are much more likely to harm you than … [Read more...]