What is a hacker?

Hacking is an act in which you gain access to someone else's computer or computer network. This is illegal. Computer hacking is most common among teenagers and young adults. Another way of hacking is to email someone a program that runs automatically by clicking an attachment. Then it could install a program that can control the persons computer.

A hacker uses his or her easy target to hide their traces for the more secure sites. The hacker's goal is to gain complete control on your system, so they can edit, delete and install files in the person's directory. This can allow you to achieve access and the ability to hide your presence. Also a hacker can get a copy of the password file. This contains user names and passwords, or they can simply try different combinations and look up words in the dictionary to see if they can guess what it is.

What damage does a hacker do?

Hackers can see what you're doing, and they can access any files on your disk. . They can write new disks, delete files and edit files and other things that you can do with a file. Hackers can install program's onto your system without you knowing. Then they can use these programs to steal personal information such as passwords and credit card information. Hacker's destruct your computer or its data. They break in and leave their mark. Some hackers are interested in using viruses and Trojan horses to hijack your computer so that they can control it.

The best way of keeping your computer safe from being hacked is by using firewall. Firewall blocks the hacker from being able to access your computer in the first place. The program can close any openings that a hacker might use. Hackers can use web browsers such as Internet Explorer to get into your computer system. You can make your computer more secure by increasing the online security.