Fighting viruses and getting rid of them is big business right now. The first step is knowing just what the enemy is.
THE ENEMY – Hackers and Crackers
Computer geeks say that there is a difference between hackers and crackers. Crackers do damage to systems they break into while hackers just want to see how everything works. We’ll use the more common term of hacker. Originally the term hacker was someone who made furniture with the use of an axe.
A virus is “malware” for your computer. This is a term that covers all kinds of software that is malicious. The most common types of malware are Trojans, worms, and viruses.
VIRUSES
Viruses are often hidden inside of other programs, for example installation programs that arrive to you through email attachments. When you run this host program the virus is executed. When the virus is in your computer memory it will be able to do a lot of damage such as infecting other computer programs.
Once the infection phase of the virus is complete the next stage begins: the destructive phase. Viruses will wait for a certain trigger, such as a date or the number of times that the virus...