Following up to Matt Cutts's anti-malware policy, Google is now providing warning messages about websites that it thinks will try to harm your computer. The full blog entry Matt posted can be found at How Google handles malware: a historical overview.
It seems Google is however taking things further by doing a u-turn on its "Don't be Evil" policy, which is perhaps the next step in its global domination quest. Indeed, searching Google for Google now results in this:
Thanks for the warning, Google!