Billions of pounds spent on Britain’s 4.2 million closed-circuit television cameras has not had a significant impact on crime, according to the senior police officer piloting a new database.

No matter what OS you use, you need to think about security. We've got you covered with five freeware or shareware security tools for Linux boxes, Macs, and Windows machines, all recommended by Ars staffers.

Jonas promised to reveal some, if not all, of the secrets he learned about the casino industry. Before the talk, he called some of his former clients to make sure certain details could be revealed.

Unlike those disk encryption attacks we saw that required a reboot, Boileu's attack works while the target computer is running, tricking Windows into allowing full write access to RAM and then corrupting the password protection code.

Contrary to popular assumption, DRAMs used in most modern computers retain their contents for seconds to minutes after power is lost, even at operating temperatures and even if removed from a motherboard.

A firewire device can read (and write) to a computer’s main memory by accessing a system’s DMA controller, while the operating system, be it Windows, Mac OS, Linux, a Multiple Independent Levels of Security kernel, etc., is oblivious to the event.

If you don’t run anti-virus on your Linux boxes, we would like to invite you to run a tiny rudimentary scanner we have developed whose sole job is to look for Linux/Rst-B infections.

Mixminion is the reference implementation of the Type III Anonymous Remailer protocol.

TorK is a powerful anonymity manager for the KDE Desktop on Linux and Unix systems. It first helps you to

install, configure and use Tor. It then reduces the task of anonymizing most applications to a single-click, including Firefox, Opera, Konqueror, Pi

I have checked every single of these configurations with Ethereal to ensure that the traffic is really anonymized. However, if you are paranoid, you shouldn't trust me, but rather test this stuff for yourself!