In a recent attack on the web server of the BerliOS (Berlin Open Source) open source platform intruders replaced the portal's home page.

Packet Fence bundles many useful and powerful network protection tools into an attractive, integrated package. Such as network access control, monitoring, intrusion detection, VLAN isolation, DHCP fingerprinting, and captive portal. Eric Geier introduces us to this protective powerhouse.

The recent Firefox security upgrade introduced me to someone who thought that their old browser was still more secure than others. Sorry. It doesn't work that way.

ACLs and extended attributes for files are simple and easy to use in Linux, and can go a long way in securing files. Vincent Danen goes over some of the basic file protection enhancements provided by the Linux kernel.

As the weaker forms of wireless encryption fail, migrating to stronger encryption protocols becomes more urgent. Eric Geier shows how to configure Linux clients to use strong encryption to connect to wireless networks.

Open-source code is more prone to severe flaws than commercial software, but bugs get fixed more quickly, according to revealing new research from application security firm Veracode.

Malware has been found hidden inside an innocuous 'waterfall' screensaver .deb file made available on popular artwork sharing site Gnome-Look.org.

In short, the problem was that in the Fedora 12 default installation, regular users sitting at the console could install signed packages from any repository that the administrator has enabled.