Cyber crime

Cyber crime is the use computers to commit an act which is against the law.
A malicious attack on a computer system.

The following problems arose

Malware

Malware is malicious software which is unintentionally downloaded onto a computer via an email or portable storage device like a USB drive.
Malware is software designed to damage a computer system or its data.

Malware is a generic term for different types of malicious software which includes viruses, worms, spyware and keyloggers.

​Viruses

A virus is a program which has been designed to damage a computer when executed.
A virus is a program which gains access to a computer and seeks to damage the computer system or collect data

Worm

A worm is a malicious software application which spreads across computer network; typically used when an email attachment is opened and the program.
A worm is a virus which replicates itself so that it can spread to other computers.
A worm can arrive as a spam email message.
The process of replicating itself will use system resources and slow the computer or network down.

Spyware

Spyware is software that gathers information about a person or organisation without their permission.
The software is usually downloaded without the user's knowledge.
Spyware is software designed to take information from a computer without the user's knowledge.
The spyware software will pass the information on.

Keylogger

Keylogger is a malicious software application which collects the keystrokes that a person typing typically used to find out peoples' passwords.
Keylogger is a program which logs every keystroke made on a computer. In the hand of hacker, it could be used to steal passwords and PINs

Data Security

​Data security means protecting data.

Encryptions

A process which scrambles data so that it cannot be read by unauthorised users.

Firewalls

Hardware or software which monitors and filters data entering and leaving the network
It can prevent:

ØHackers from entering the network via internet

ØViruses and spam from entering the network via internet

ØUsers/computers within the network from uploading data onto the internet

Levels of access

Limiting the activities different users can perform on the computer system, based on their role in the organisation.