For 2004/2005 here are the new presentations:

[Unit 1 - Introduction]
[Unit 2 - Security Elements]
[Unit 3 - Intrusion Detection Systems]

For 2003/2004, the presentations were:

[Unit 0 - Introduction] [SWF]
[Unit 1 - Network Security Elements] [SWF]
[Unit 2 - Intrusion Detection Systems] [SWF]
[Unit 3 - Encryption] [SWF]
[Unit 4 - Forensic Computing] [SWF]
[Unit 5 - Software Security] [SWF]
[Unit 6 - Network Threats] [SWF]
[Unit 7 - Wireless Networks] [SWF]
[Unit 8 - Ad-hoc Routing]
[Unit 9 - GSM] [SWF]
[Unit 10 - Location/ID] [SWF]