Okay, this is actually one of the coolest things I've seen in a while. According to the site:
SecurityDocs.com is a directory of information security articles, white papers, and other documents that information security professionals find useful.
I spent a little bit of time earlier browsing the site, and it looks like there's some REALLY good content on here, covering everything ranging from firewall rulesets to OS hardening to security awareness. Very cool.
http://www.securitydocs.com/
Microsoft yesterday released their latest collection of patches for vulnerabilities in Windows and Outlook Express. There are four patches total, but each covers multiple vulnerabilities, including several "critical" vulnerabilities. For thos Windows users out there, I'd recommend patching ASAP.
Overview article on SecurityFocus
Microsoft Security Bulletins
Recently, a string of attacks has taken place against numerous University systems and other high performance computing centers. This bulletin from the Stanford University ITSS provides an excellent overview of the attacks, covering how they were compromised, what evidence to look for, possible countermeasures, etc.
This is a very well-written article that also provides background information on the hows and whys of expoits. I highly recommend it.
Here's the full story.