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IT Security

duration Duration: 1 Teaching Period

unit code Unit Code: COS30015

contact hours Contact Hours: Recommended 10 hours of study per week

About this unit

Students who complete this unit of study will understand the nature of security threats to IT systems. Student will be familiar with the tools used by hackers and crackers and be aware of ways of identifying and rectifying security breaches and will understand how to assess the vulnerability of computing systems.


  • Overview of internet crime and computer security threats
  • Operating system flaws
  • Security tools
  • System logs
  • Firewalls, security: theory, practice, design
  • Ports scanning, packet sniffing and intrusion detection
  • Understanding and responding to security alerts
  • Server technologies, risks and policies
  • Vulnerability analysis and audit
  • Secure programming practices
  • Script injection and input sanitising
  • Security models
  • Physical security
  • Authentication (identity, biometrics and digital signatures)

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