MB's Windows Security
- Mark Burnett offers articles on a range of Microsoft Windows security topics, as well as links to resoruces and a list of offered services.
- http://xato.net

Jaime Chanaga
- A former Chief Information Security Officer, shares insights about issues involving technology, security, and business.
- http://chiefsecurityofficer.blogs.com

David Cartwright
- Offers a daily perspective on security and related issues for enterprise organizations from the senior security consultant for Alkira Australia.
- http://www.davidcartwright.com/