Intrusion Detection

Intrusion Detection Network Security Beyond the Firewall

Network security auditing (InfoWorld)

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SpamCop

Spychecker - database of Spyware (adware) products lets you detect spyware before you download.

Tivoli - Security Management Solution

1. Protecting Networks with SATAN
   
2. Intrusion Detection: Network Security Beyond the Firewall
   
3. Network Intrusion Detection: An Analysis Handbook
   
4. Unix Secure Shell (SSH)
   
5. Intrusion Detection: An introduction to Internet Surveillance, Correlation, Trace Back, Traps and Responses