Internet intruders have many ingenious ways of escalating privileges and hiding their presence once they get inside your system. The best protection is to keep them out in the cold.

Israeli security firm Yoggie has released its Linux-based USB Stick Firewall Gatekeeper product in an Open Source version. The open firewall products also include a developer kit.

A forensics expert explains how to extract interesting details from a confiscated Windows hard disk using standard Linux tools.

A new article by Roel Schouwenberg, Senior Antivirus Researcher at the Kaspersky Lab, has drawn attention to the increased use of malware in cyber attacks on financial institutions.

A forensics expert explains how to extract interesting details from a confiscated Windows hard disk using standard Linux tools.

This article explains in four simple steps how you can use a home-based Windows PC to secure a notebook and circumvent systems such as the "Great Firewall of China". With OpenVPN, mobile users can surf without fear of the restrictions that might otherwise affect them on the local network to which they are connected, and can access all Internet content without danger of being bugged or censored.

In a TechSource Blog blog, Philippine technology student Jun Auza has assembled a list of the seven deadliest Linux commands, which his readers promptly augmented.