If you get some downtime today, it would be a good time to load up Software Update and install a few patches. Apple has issued updates for OS X as well as Safari 3 and the Safari 4 beta.
Additionally, Microsoft's monthly update contains fixes for security vulnerabilities in the Mac versions of Office that protect against PowerPoint attacks.
And if that's not enough, Adobe has also issued patches for flaws in Reader and Acrobat that should be installed.
Part of good security practice and general computer housekeeping is to make sure you have all of the latest patches and updates, so it's definitely worth taking a minute or two to get everything installed.
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