BCS - the chartered institute for IT
IISP - The Institute for Security Professionals
ISACA - An independent, nonprofit, global association, engaging in the development, adoption and use of globally accepted, industry-leading knowledge and practices for information systems.
Security News and Articles:
The Register security pages
Search Security
TAO Security
TAO Security Blog
Internet Storm Centre
Security Tube
Slashdot
Security Tools:
Virustotal is a service that analysis suspicious files and URLs, facilitating the quick detection of viruses, worms, trojans, and various malware detected by antivirus engines.
Internet Storm Centre Security Tools
Other Useful Links:
University of Plymouth i Tunes U Get Safe Online
Hackner Security