Computer security and viruses

Computer security or safety of information technology is the area of computer science that focuses on the protection of computer infrastructure and everything about this and especially the information or circulating. For this there are a number of standards, protocols, methods, rules, tools and laws designed to minimize potential risks to infrastructure or information. Computer security software includes (databases, metadata files), hardware and everything that the organization values ​​(active) and constitute a risk if confidential information reaches the hands of others.

The malware , is a type of software that aims to infiltrate or damage a computer system or information without the consent of the owner. The term malware is widely used by computer professionals to mean a variety of software hostile, intrusive or molesto.

A computer virus is a malware that aims to alter the normal functioning of the computer, without the permission or knowledge of the user. Viruses usually replaced by other infected executable code of this file. Viruses can destroy, intentionally, data stored on a computer, but there are other more harmless, which are characterized by only annoying.

Some of the actions of some viruses are:

• Joining a program installed on the computer allowing its spread.

• View the Messages screen or humorous images generally annoying.

• Slow down or lock your computer.

• Destroy the information stored on the disc, in some cases vital for the system, which will prevent the operation.

• Reduce disk space.

• Disturbing the user closing windows, moving the mouse ...