Understanding Malware: The Malicious Software

To understand what kinds of threats to your data there, it helps to know what types of malware exist and how these work. In general, the malware can be divided into the following classes:

Network worms: This type of malware uses to distribute network resources. His name means they can penetrate from one computer to another like a worm. They do so via email, instant messaging systems, file-sharing networks (P2P), IRC channels, local networks, global networks, etc. Its propagation speed is very high.

Classic viruses: Programs that infect other programs by adding code to take control after the execution of infected files. The main purpose of a virus is infecting. The speed of propagation of the virus is somewhat lower than that of the worms.

Trojans: This class of malware includes a variety of programs that perform actions without the user's knowledge and without their consent, collect data and send them to the criminals, destroy or alter data with criminal intent, causing damage to computer operation or use computer resources for criminal purposes, such as mass mailing of unsolicited email.

Spyware: Software that allows the collection of information about a user or organization in an unauthorized manner. Their presence can be completely invisible to the user and they can collect data on user actions, the contents of the hard drive, installed software, quality and connection speed, etc.