Linux.com: Auditor: The Security Tool Collection

“The Auditor security collection is a GPL-licensed live CD based
on Knoppix, with more than 300 security software tools. Auditor
gives you easy access to a broad range of tools in almost no

“To get started, download the latest image of Auditor and burn
it as a bootable image. Remember to use the image option–just
copying the file will not produce a bootable image. After you have
successfully written the image to disc, you can start Auditor
directly from the CD. It will not install any permanent software on
the hard disk unless you request it to, so don’t be nervous to use
Auditor on a client workstation…”