People who aren't using recently updated Internet Explorer often feel a certain sense of smugness about the relative vulnerability level of their browser. The annual Pwn2own competition demonstrates the foolishness of anyone feeling smug. Our sister site Gizmodo reports that Safari was hacked within ten seconds of the competition starting, with Firefox and IE following some hours later. So no matter what your browser (or your platform), sensible security measures from strong password to security software need to remain a focus for everybody. If you're looking for options for the latter, check out our Hive Five on the best antivirus software.