School of Computer Science

Module 06-23900 (2014)

Network Security

Level 4/M

Ian Batten Semester 2 20 credits
Co-ordinator: Ian Batten
Reviewer: Tom Chothia

The Module Description is a strict subset of this Syllabus Page.


The module introduces the threats and attacks which may be perpetrated on computer networks, and some of the mechanisms designed to address them. Some technology case studies are presented and evaluated.


The aims of this module are to:

  • introduce the basic terminology, concepts, and mechanisms of network security
  • explain network threats, vulnerabilities, and attacks
  • present security algorithms and protocols as countermeasures

Learning Outcomes

On successful completion of this module, the student should be able to:

  1. explain network vulnerabilities and attacks
  2. explain and evaluate security mechanisms designed to address such attacks
  3. design networking security solutions appropriate for a given application and situation


An introductory module each on Computer Networks, Operating Systems, and working knowledge of Java, C/C++ or Python


Teaching methods

2hr/week lectures, 1hr/week tutorials and lab sessions

Contact Hours: 34


Sessional: 1.5 hr examination (50%), continuous assessment (50%).

Supplementary (where allowed): 1.5 hr examination (100%).

Detailed Syllabus

  1. Network protocols, vulnerabilities and threats
  2. OS security and logging
  3. Intrusion Detection and Intrusion Prevention Systems
  4. Firewalls, Address Translation and the Internet of Things
  5. VPNs, encryption and IPSec
  6. Management, policy and testing

Programmes containing this module