Badass mind map for passive open source intelligence gathering.
ExploitDB, Offensive Security's Exploit Database Archive is an amazing resource.
Be it for google dorks, exploits, shellcode, or technical papers.
Want to be able to search for exploits offline, or via terminal?
Check out the following, a few simple commands will arm you with the entire DB!
Many of you will no doubt already have this site bookmarked but it is worth a mention even if one person does not.
This site contains a ton of recent news on topics like how apple has fucked up yet again, or what malware is now sweeping the globe.
Along with that, they also have many exploits, and informative whitepapers.