Several vulnerabilities in Firefox allow remote attacks on 2.x versions: updating to 2.0.0.8 closes the gaps.

New tools for the web appear every day. In this issue, we round up some promising technologies, including Apache's Suexec module, the new WS-Addressing standard, the Helma application server, the Perlbal web server, and microformats.

No less than five vulnerabilities were eradicated by the release of a new version of the Apache Web server.

Following Firefox and Thunderbird, a known URL security bug was closed in the Seamonkey browser suite in August. A similar bug has now been found in Konqueror.

SELinux provides a comprehensive Mandatory Access Control system for Linux, if you are ready for all the details.

Security Enhanced Linux or App Armor? Linux Magazine invited two well-known personalities from Red Hat and Novell to debate the merits of their security systems.

Today’s rootkits infiltrate a target system at kernel level, thus escaping unwanted attention from administrators. Read on for a practical look at how a kernel rootkit really works.

Your Linux system may not be so airtight after all. To understand the threats, you need to think like an intruder. We'll show you what the intruders are thinking now about the Linux 2.6 kernel.