Alan Sherman's Internet Resources on Security
Interesting starting points for exploration
gnn gateway
RSA's FAQ (Fequently Asked Questions)
Crypto general info
Crypto Bibliography
Cypherpunks
PGP
RSA DSI
IACR
Stanford security
NSA (including cryptologic museum)
Netscape security hole
Other Crypto Courses
Aviel D Rubin's Course at NYU?