IBM developerWorks: Linux Security for the Enterprise and Service ProvidersJan 08, 2002, 05:12 (1 Talkback[s])
Here are a couple of white papers recently released by the IBM T.J. Watson Research Center in January of 2002 concerning the state of Linux Security for Enterprise systems. In addition to that you can take a look at agood white paper containing informaion about securing Linux Servers for Service Providers.
Linux Security for the Enterprise: Executive Summary
Security Requirements for the Deployment of the Linux Kernel in Enterprise Systems
Securing Linux Servers for Service Providers