Unix/Linux/BSD Security | Secure IT | SIU

It is very important to keep your Unix systems up-to-date with vendor supplied patches and to properly configure them for security. 

• Debian GNU/Linux Security Guide
• Gentoo GNU/Linux Security Guide
• Hardened Gentoo Project
• Redhat Enterprise Linux 5 Hardening Guide
• NSA Redhat Enterprise Linux 5 Checklist
• Fedora Project 10 Security Enhanced Linux User Guide
• OpenBSD - a free, proactively secure BSD Unix OS
• OpenBSD 
• FreeBSD - a free BSD compliant Unix OS
• FreeBSD 
• Center for Internet Security
• (OSX, FreeBSD, Solaris, Linux, HP-UX, AIX)
• Security Administration
• Linux Hardening Guide
• Hardening Solaris
• General information about Securing Solaris, Patches

AIX Operating System Hardening Procedures & Security Guide
http://aplawrence.com/MDesrosiers/aixhardening.html