This page is always changing as some resources become outdated and new resources emerge. If you want to suggest additional official vendor or government resources, please contact Matt Cohen!
Operating System Specific
- Hardening Tips for MAC OS X 10.6 Snow Leopard (NSA)
- Security Configuration Recommendations for Apple iOS 5 Devices
- Guide to the Secure Configuration of Red Hat Enterprise Linux 5 (NSA)
- Linux Checklist (SANS)
- Redhat Linux (NIST)
Securing Debian http://www.debian.org/doc/manuals/securing-debian-howto/