Most high level Security experts will tell you that it's not the operating system but the applications you are running on the platform that are the new Hacker's Paradise. Adobe, Microsoft Word or Quick Time are on more than just those silly old Windows machines. And patches for these programs almost never consider the exploits or hacks used to gain control of a system. Well it looks like you can now throw Safari in with the rest of those third party programs as in just one day several out there have already found cracks in the walls. Check out this Slashdot article for more details.