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Computer security means protecting our computer
system and the information they contain against
unwanted access, damage, destruction or modification
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-We need to protect our computer from any intruders such as hackers, crackers and script kiddies
- We do not want strangers to read our e-mail, 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.
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Three types of computer
security are :
Hardware security
software security / data security
Network security
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Hardware security refers to security measures used to protect the hardware specifically the computer and its related documents.
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The examples of security measures used to protect the hardware includes:
PC-locks
Smart cards
Keyboard-locks
Biometric devices
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Software and data security refers to the security measures used to protect the software and the loss of data files
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- Examples of security measures used to protect the software are activation code and serial number
- An example of security measure used to protect the loss of data files is the disaster recovery plan method.
-The idea of this plan is to store data, program and other important documents in a safe place that will not be affected y any major destruction.
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-The transfer of data through network has become a common practice and the need to implement network security has become significant.
- Network security refers to security measures used to protect the network system.
-One example of network security measures is firewall. With firewall, network resources can be protected from the outsiders
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In order to make sure our computer are secured, here are the computer security
checklist to follow
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-Computer security is a process of preventing and detecting unauthorised use of the computer
-There are three types of computer security, which are hardware security, software/data security and network security
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