"Security has been one of the most important topics in the IT
world. Frequent viruses, worms, vulnerabilities and security
patches have become common practice to anyone whose computer is
connected to the Internet or other network. Security has thus
become one of the major focuses of operating systems including both
Windows and Linux.
"I have read once, that in order to gain absolute security, one
should unplug his computer from the internet or any connection to
other computers. I say, that isn't always true..."