Follow free classes on a masters degree level at Stanford University online

[Mave]

http://www.crypto-class.org/
http://www.security-class.org/

Make sure to signup fast, they may run out of possible people attending these online lessons.

An overview of the classes can be found at the bottom at the page.

 

[Nimphiouus]

You don't get certified but it'll be good to take advantage of most of them, the more education you have, either formal or informal, is a great advantage to yourself!