No less than three different browser platforms have succumbed to zero-day exploits by the end of the first day of the three-day long, third-annual Pwn2Own contest being held at the CanSecWest 2009 digital security conference in Vancouver, British Columbia. Safari on Mac OS X was the first to fall, followed by Internet Explorer 8 (IE8) on Windows 7, and then a second Mac OS X Safari exploit, and finally Firefox (the specific OS-version of Firefox was not supplied in the announcement). Making this even more impressive