Computer glitches and other things in the network. How to successfully defend against that things?

Author: Maria Eklind
Source: http://www.flickr.com
PC viruses that plague today's machinized society. At the sound of their names not only ordinary users, but most of all the possessors of huge companies feel really bad. Unfortunately, the well-known of the Internet is a haven for hackers who write personal computer computer glitches. I would venture to say that each one or almost every computer user connected to the Internet have been in connection with the bug on your own system.