I’m sure you’ve heard about the Chinese hack into Google, and there’s some interesting goings-on behind the scenes to identify and fix the hack, deemed “very sophisticated.” It’s even been given a name: “Aurora.” Not only Google has been hit, but Juniper, Adobe and some other 29 firms.
Microsoft has been active in this issue, releasing an advisory, an out-of-cycle patch, and frequent updating of their security blogs, and this blog link has a patch to make sure DEP (Data Execution Prevention) is enabled on your system.
Information about this issue is still see-sawing back and forth as further data is released to the public. It definitely involves all versions of Internet Explorer, but especially IE6. If you’re still running this on your systems, change it now. Microsoft has specifically reported that IE6 was used in the target attacks.