Microsoft Security Essentials: Never pay for anti-virus again - PC World

When Microsoft announced the death of OneCare, I had a pretty good suspicion that wasn't the last we'd heard from Microsoft about anti-virus software. Microsoft doesn't just suddenly, for no reason, drop out of markets. Rather they stay at it until three or four versions down the road when they finally get it right.

With OneCare canceled (a pretty decent product, I thought), the most likely move would be to give it, or some form of the anti-malware software, away. That's how we got Microsoft Security Essentials available for free, (later) today...