MindMaps

I queried a group the other day for their favorite resource for new NetSec team members. I received a lot of good feedback, including one persons links to some really nice mind maps he'd made. The first two are unrelated to network security, but after that you'll find mind maps for subjects like crypto, PKI, securing home computers, reviewing wireless networks, PCI and more. The link is here. They are beautifully done and the author, Aman Hardikar, obviously put a lot of time and effort into them. I recommend you take a look at them.