Some of the links referenced on this blog over the past few months.
Note: I do not endorse nor necessarily agree with the opinions, products, or comments posted on any of the referenced links.
David Lacey: http://www.computerweekly.com/blogs/david_lacey
Emergent Choas: http://www.emergentchaos.com/
SecurityFocus: http://www.securityfocus.com
OWASP: http://www.owasp.org
Garlik: http://www.garlik.com
SC Magazine: http://www.scmagazine.com
The Security Company: http://www.thesecurityco.com
VOIP Security: http://voipsecurityblog.typepad.com/marks_voip_security_blog/
Security Watch: http://securitywatch.eweek.com
Bruce Schneier: http://www.schneier.com/blog
Bakman's Blog: http://www.bakmansblog.com/
Mark Curphey: http://securitybuddha.com/
Karl Seifried: http://www.seifried.org/
IT Week Labs: http://labs.itweek.co.uk/
Secure Software Development Special Interest Group: http://www.ktn.qinetiq-tim.net/site/guest/ssd.html
AV Comparatives: http://www.av-comparatives.org/
Ponemon Institute: http://www.ponemon.org/
Kim Cameron's Identity Blog: http://www.identityblog.com/
Digital Identity Blog: http://digitaldebateblogs.typepad.com/digital_identity/