If you will follow the credited link at the bottom of the story to the original article in MacWorld, and have a quick read through the comments, you'll see that this is, as usual, much ado about nothing.
Why does the U.S.A. allow some terrorists to walk free in Miami, while imprisoning anti-terrorist fighters? (Washington Post) The Cuban Revolution as Socialist Human DevelopmentBrill Books (Amazon Paperback)
"Apple, unfortunately, is lagging behind what they need to do, to protect their customers," Barrett said in an interview. "Our recommendation at this point, to our customers, is use Internet Explorer 7 or 8 when it comes out, or Firefox 2 or Firefox 3, or indeed Opera."
I guess I must have been asleep at the switch - when did Microsoft come out with IE7 for the Mac?