Computer Security

Definition of computer security

1. Computer security means protecting our computer systems and the information they contain against unwanted access, damage, destruction or modification.
2. We need to protect our computer from any intruder such as hackers, crackers and script kiddies.
3. We do not want strangers to read our email, use our computer to attack other systems, send forged e-mail from our computer, or examine personal information stored on our computer such as financial statements.

Types of computer security :

1. Hardware Security
2. Software Security
3. Network Security

Hardware security

1. Hardware security refers to security measures used to protect the hardware specifically the computer and its related documents.

2. The examples of security measures used to protect the hardware include PC-locks, keyboard-lock, smart cards and biometric devices.

3. Besides these Cyber Laws, there are three other Cyber Laws being drafted

Software and data security

1. Software and data security refers to the security measures used to protect the software and the loss of data files.
2. Examples of security measures used to protect the software are activation code and serial number.
3. An example of security measure used to protect the loss of data files is the disaster recovery plan method.
4. The idea of this plan is to stored data, program and other important documents in a safe place that will not be affected by any major destruction.

Network security

1. The transfer of data through network has become a common practice and the need to implement network security has become significant.
2. Network security refers to security measures used to protect the network system.
3. One example of network security measures is firewall. With firewall, network resources can be protected from the outsiders.