In addition to updating its mobile iWork offerings to work on the iPhone and iPod touch, Apple also posted new and revised support documents for Numbers, Pages, and Keynote, with much of the support information focusing on converting a Mac iWork document to an iOS-supported version.
Ted Landau considers Mac Defender to be a rather low risk threat. Most users will never confront any Mac Defender variant. And those that do will still need to be "tricked" by the software before they are in any real danger.
Articles by Ted Landau