Apple has always insisted that its strict vetting procedures keep malware, spyware, and spam out of its iTunes store. Charlie famously trashed that myth when he submitted a fake stock-ticker app with a glaring security hole that allowed it to infect other apps on the iPhone, just to see if Apple would notice. Apple’s vetters missed the hole, and when Apple learned from news articles that Charlie’s app was a Trojan horse, they blacklisted him. The episode earned Charlie infamy in hacker circles and a nickname, Zero-Day Charlie. He relished it.
