Microsoft releases OneCare

Microsoft has just announced the release of their OneCare Beta. OneCare will integrate a firewall, virus scanner, and backup utility into one package. Read more at this InformationWeek story.

I'm confused here. Why doesn't Microsoft work on closing the holes in their operating system and not allowing viruses to exist on their operating system in the first place? Instead they buy up software security companies and use their hard work to patch up the problem instead of fixing it at the source. I would have to say that I don't agree with this move.

(Image courtesy of Microsoft)