Week 11: Network and Computer Security

What is Network/ Computer Security? 

• Consist of the provisions and policies adopted by a network administrator to prevent and monitor unauthorised access, misuse, modification or denial of a computer network and network accessible resources.  

Network Security: Certificate 

Client Security Issues

Phishing

Web Spoofing

Desktop Security Issues 

• Adware
• Programs used to deliver advertising contents.
• Visible to the user, experienced to be annoying.
• Spyware
• Intends to remain unrecognised.
• Used to gather personal info like login details, etc
• Spyware monitors the user's activities and scan the system. 

• Viruses

• Worms
• Programs that can replicate or copy themselves.

• Trojan Horses