Secure OpenID provider. Includes background information and online signup.

The Honeywall CDROM is a bootable CD that installs onto a hard drive and comes with all the tools and functionality for you to implement data capture, control and analysis.

A platform independent low interaction client honeypot that allows identify rogue servers on the web.

A high interaction client honeypot. A client honeypot is a security technology that allows one to find malicious servers on a network.

An article with some comments about anonymity and privacy.

Creating trust throughout the Internet industry for businesses and consumers.

A web-based interface for the Nessus vulnerability scanner and a backend queue manager for scan requests. Allows users to hierarchically manage networks of hosts, scanning policies, and automated scans.

GRC Internet Security Detection System scans on request the user's computer, especially the Windows file sharing and reports vulnerabilities.

Complete list of PCI DSS approved scanning vendors

Focuses on Linux and Redhat related security information specifically the Linux-security and Redhat-watch-list lists.