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If you are connected to Internet, be aware of the threats and security issues involved.

Before going further let me enunciate about a fact, the term PC which stands for Personal Computer was first evolved by IBM when they invented the computers for home use, Technically, if you are connected to Internet or a LAN or some other type of network or even to some other computer directly through a Serial, Parallel, or network port then your computer no more remains a PC, it becomes a node or a Network(ed) Computer hereinafter NC.

An NC is more vulnerable to multitude of threats than a PC, nowadays most of the home-use computers are NC not PC. The threats to PC differ from those of to NC. Threats to PC are those which can only be caused directly by you or your mistake, but to NC the same threats can also be caused by some other source (normally remotely), the reason I used the term source instead of person is because it is not necessary to be threatened only by a persons mistake your NC can be harmed by some other NC as well, though we are neglecting the fact whether that Harming NC initiates its action because of a deliberate action of its user or an accidental one.

Whatever it is but you need to protect yourself from those unforeseen hazards, unlike other suggestive technicians I wont be advising you to confine your activities to a certain level but will tell you about the different tools and techniques which you can apply to help yourself from not falling into danger.

Here is a list of different threats which your NC/PC may be exposed to the solutions to those threats will be provided in the chronological order after the following list:

1. Viruses (Including worms and Trojan horses)

2. Cracking

3. Social Engineering

4. Spam

5. Innocent looking free wares

Seems quite a small list huh??? But in reality this is all, the frantic no. of threats are just different faces of these threats.

Now for the solutions:

Viruses

There was a time when I was used to have two floppy diskettes with me one containing the Central Point Anti-Virus and on the other one Dr. Solomon Antivirus Toolkit. On a 1.2MB floppy diskettes I was used to hold all the virus definitions, scan engine, clean engine, rescue disk creation utility. Nowadays the amount of viruses has seemed to grow in numbers frantically.

The most they can do is wiping-out your hard disk or may be others on your name. Another thing which really annoys me (I found it common in newbie Pakistani users at least) is the concept that viruses spread in computers from dust and when you sneeze near them, I go like mad when ever I hear such things, the rationale they give to prove their point is then What is the use of computer Covers???. It sometime becomes really difficult for me to explain to them that computer viruses differ from biological ones. I hope I delivered my Point here.

Here are the measures which you can take to protect yourself from viruses: -