2. What is a hacker?

A hacker is a person who breaks codes and passwords to gain unauthorised entry to computer systems. More>

Hackers can do an enormous amount of damage if they break into a computer system.software

For some people, the challenge of breaking the codes is irresistible and so precautions have to be taken.

Stand-alone computers are usually safe as there is no connection for the hackers to break into. Computers which form part of networks or those with external links, such as attached modems, are in danger from hackers.

Many hackers often don't intend to cause damage or steal data, they just enjoy the challenge of breaking into a system. However, in some instances the hacker's purpose could be to commit fraud, to steal valuable data or to damage or delete the data in order to harm the company. 

It might be hard to believe, but most hacking is carried out by employees with a grudge or those who want to 'make a quick buck'.  They have insider knowledge of passwords and User IDs which makes it easy for them.


Challenge see if you can find out one extra fact on this topic that we haven't already told you

Click on this link: Hacking

Note on the word "hacker":

For at least 20 years this description has been criticised by the 'true' hacker, who feels they should be known as a 'cracker'