SecurityFocus is the most comprehensive and trusted source of security information on the Internet. SecurityFocus is a vendor-neutral site that provides objective, timely and comprehensive security information to all members of the security community, from end users, security hobbyists and network administrators to security consultants, IT Managers, CIOs and CSOs. http://www.securityfocus.com/

It is a continuous updated source of news generated by professional organizations.
http://www.securitynewsportal.com

This website provides is also a good portal of news
http://www.computerworld.com/securitytopics/security/news/0,11188,KEY73,00.html

Good source of Jobs, product evaluations, interviews, articles, recommendations, and training for Security professionals.
http://www.scmagazine.com/us/