computerworld: A security researcher has found a serious vulnerability in an aging yet widely used software program used for the Internet's addressing system, prompting the software's maintainers to retire the affected version.
opensourcelearning.info: Recently I have been thinking about my online security. It lead me on a brief search for portable applications which at least give me the feeling that I am more secure that I am now.
Tux Love (PC World): Most people don't realise how their browsers betray them. It's not so bad at home, but in a work context it could cost you your job.
Also: FileZilla 3 brings Windows FTP goodness to Linux
the inquirer: We already reported how Skype was taking a deep interest in the workings of the BIOs of Windows users, now it seems that the outfit is snooping on Linux users too.
the inquirer: AN ADVISORY from a security researcher called Gregory Shikhman points out that Nvidia drivers have a rather gaping hole when installed under Gentoo Linux.
On August 7, 2007, bannedit reported bug 187971 regarding a possible command injection vulnerability within http://packages.gentoo.org. The Infrastructure team verified the vulnerability and the server was immediately taken down to prevent further exploitation and to allow for forensic analysis.
techrepublic blogs: The term rootkit originated with a reference to the root user account on Unix systems. Rootkits are not limited to Unix, however, or even to administrative user accounts like the Unix root account. No matter what operating system you use, you should be familiar with good practices for detecting and dealing with the threat of rootkits.
Also: Clamav is great
heise-security: According to reports from several security services, the Xvid 1.1.2 Video Codec Library has a security hole which attackers could use to gain control over a PC. Both Windows and Linux applications are affected.
linux.com: Organizations of all sizes need to mitigate the risk of insider threats. Misconduct by authorized users represents a grave threat to an organization. You can secure your network perimeter with intrusion detection systems, firewalls, and virus scanners, but don't neglect to monitor authorized users. The Linux Audit daemon can help you detect violations of your security policies.
ZDNet: The recent OpenOffice worm may be a sign that malware writers are starting to target the increasingly popular open-source software, industry experts say.