King of CaveMen - what aspects of information security are you looking for. Invader hit it on the head with google though. However, from a plain english how do do simple tricks to get started I have found happyhacker.org quite useful. (Hope I don't catch hell for that)

Anyways here are some other sites you may like depending on what you are looking for.
http://www.2600.com
http://neworder.box.sk/
http://www.smarthackers.com/
http://www.theregister.co.uk/