I wanted to outline a list of the different channels I use everyday to keep informed (some of these blogs are in hebrew). I use the old reader to keep track of my RSS feeds.
Security and Cryptography
- Cryptography And Coding Information - Thank you for Ava for pointing this out!
 - ICS-CERT Monitor RSS Feed
 - Corelan Team
 - ImperialViolet
 - Blog: Ivan Ristić
 - Google Online Security Blog
 - TaoSecurity
 - Roee-geist
 - I Am Security
 - Krebs on Security
 - fail0verflow’s blog excerpts feed
 - Naked Security - Sophos
 - Filippo.io
 - The Hacker News * [ THN ]
 - Schneier on Security
 - WhiteHat Security Blog
 - Roger Halbheer on Security
 - I hack, therefore I am
 - Securelist / All Updates
 - Cybergibbons Limited
 - ritter.vg
 - cr.yp.to blog
 - A Few Thoughts on Cryptographic Engineering
 
Management
Science
- storytelling with data
 - Trust Me, I’m a Statistician
 - Windows On Theory
 - המדריך לטרמפיסט בסטטיסטיקה
 - Damn Interesting
 
Software
- Dan Kaminsky’s Blog
 - Jeremiah Grossman
 - Joel on Software
 - Scott Hanselman
 - Software Archiblog – בלוג ארכיטקטורת תוכנה
 - Troy Hunt’s Blog