There are many website about information security, and I think these are the best blogs to learn about information security.
- Network Security Blog http://www.mckeay.net/
- Naked Security http://nakedsecurity.sophos.com/
- Grahan Cluley's Blog http://grahamcluley.com/
- ShackF00 http://daveshackleford.com/
- Matt Suiche's blog http://www.msuiche.net/
- Cryptographic Engineering Blog http://blog.cryptographyengineering.com/
- My blog about security http://yourgadgetinfo.com/computer/information-security/
More list are coming on... Please update on comment if you want to suggest a blog.