Welcome to the premier issue of the PCMag.com Security Watch Letter. Every week well bring you an overview of the current viruses, worms and other threats that are trying to get to your computer. Leaving politics and commentary to other publications, our goal is to bring you facts, information, and resources that will help you combat and prevent these threats. Well focus on the top troublemaker for the week, how it affects you, and what you can do to eliminate it. Our top ten list shows the most prevalent viruses and worms as reported by our partners MessageLabs and Threat Focus. Our tips and guest advice column offer proactive techniques for preventing infection and security breaches. Since keeping your PC safe also means keeping up with security patches, well be reporting the latest Windows Update and security bulletins. In addition to facts and fixes, well also bring you links to security related news and commentary in our sister publications, eWeek, PC Magazine, CIO Insight, and Baseline.