HACKERS

Hacking computer is the ability to reach to specific system by illegal way because of many lacunas in the security system. (William, 2006).

Then the hackers can move, delete and add files or programs. Also they can control the operating systems to give the orders such as printing, photography and storage.

A small group of them commit computer crime and watch your files, steal or destroy your system and watch what you are doing on the internet.

1. Unprofessional hackers.
Should have specific file call Patch or Trojan in victim’s computer.

2. Professional hackers.
Can hack your computer without any file in victim’s computer.

Causes of hacking computer:

1.Political motivated and military.
2.Commercial motivation.
3.Individual motivation.

1. Hack the server for company or government.


2. Hack personal computer.


3. Exposure the data.
   

Effects of hacking computer:

1. Change the main page for specific website.


2. Know password.


3. Taking revenge.


4. Destroy computer.

1.Design perfect operation system.
2.Close as much as possible for open ports.
3.Do not install programs from unknown website.
4.Do not open strange messages in your e-mail.
5.Use Anti-Virus program.
6.Change password time to time.
7.Use programs to protect your computer from hackers and viruses. e.g. hckdown 2000,janmer.

There is no operating system without ports and there is no system not contain lacuna and there is no system that can not hacker breaking in (Computer Security, 2003).