A computer virus is a malicious program that can be created by individuals who intend to cause harm or disruption to systems and computers. They are hidden bits of code which are linked to other programs or applications, and once activated, they spread like wildfire. Typically, viruses are discovered in a document or program that is downloaded from the internet or shared via email. Most countries consider it illegal to create and distribute computer viruses.
There are many kinds of computer viruses which can infect machines in different ways. Some depend on a host program to begin their work and others are self-contained and can attack multiple systems without the need of a host. A computer virus that utilizes host programs to infect computers is usually considered as a worm however, those that do not make use of the method used to infect by other programs are considered to be viruses.
Certain viruses can begin infecting systems as soon they are discovered, while other remain dormant until the user is unaware of the code and executes it. The first computer virus was developed in 1974 and identical to a biological virus, spread quickly and caused damage to the system. Stuxnet is an example of an extremely destructive computer virus. It was designed to destroy computerized centrifuges which were used to enrich uranium.
The process of creating viruses can be quite complex and not for those who are not www.kvbhel.org/news/a-beginners-guide-to-international-employment-contracts/ experienced. It is a great way to test your computer programming expertise. There are numerous resources that can teach you how to create a virus if are willing and willing to put into the effort.