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.

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.

When an attacker succeeds in infecting a victim’s system, the attacker inherits the victim’s privileges. App Armor beats the attack by reducing the potential victim’s privileges to a minimum.

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.

New features and a leaner, faster, prettier desktop. Are you ready for the latest Gnome?

The experimental Leaftag provides a convenient means for associating files with search categories and other metadata.