New versions of this document will be periodically posted to comp.os.linux.answers. They will also be added to the various sites that archive such information, including:
In addition, you should generally be able to find this document on the Linux World Wide Web home page via:
http://metalab.unc.edu/mdw/linux.html
Finally, the very latest version of this document should also be available in various formats from:
or
http://www.linuxsecurity.com/Security-HOWTO
or
http://www.tummy.com/security-howto