I'm looking for a good source for IT Security, specifically information for Information Security Professionals. I'm wondering what your favorite is?
Simple: the one you're on right now.
I don't rely on just one website, but rather a collection there of.
I recommend using google reader to pull multiple feeds.
This will help you get started: http://www.google.com/reader/bundle/user%2F03471370118315696004%2Fbundle%2FSecurity