Benjamin Thomas, an active LinuxSecurity.com contributor, puts together an Intrusion Detection Primer. It is a collection of six research summaries that outline the basics of Intrusion Detection.
Medusa is a kernel patch that improves security by providing a seamless protective layer between system resources and applications, providing access control to system resources.
David A. Wheeler is the author of the "Secure Programming for Linux HOWTO", the Linux Documentation Project's document describing how to write secure programs for Linux.
