Great tools and resources are available to help you write secure Ruby on Rails code. Kurt examines some tools and offers some tips.

XML security problems are numerous, but you can take steps to limit your exposure – or you can use a different standard.

This month, Rasp Pi becomes a multimedia system, then we look at three great tools to create, manage, and monitor your virtual environments.

Rootkits allow attackers to take complete control of a computer. We describe the tricks intruders use to gain access to the Linux kernel and provide guidelines on hardening the kernel against such attacks.

Security applications like antivirus protectors respond to events, rather than preventing them from happening, but the best security in Linux is architectural – that is, in its configuration.

Security-conscious people dig a deep moat with crocodiles around their homes, hide their furniture in back rooms, and only let visitors into the bathroom if they know the secret password. Grsecurity follows a similarly extreme principle.

Forget passwords – several Internet companies have formed the FIDO (Fast IDentity Online) Alliance, which they say will replace passwords with safer and easier to use authentication methods.

Science fiction authors and high-tech visionaries dream of a future where humans and computers communicate in ordinary English. A new cloud-based tool brings that future a little closer.