George Francis Hotz (born October 2, 1989), alias geohot, is an American hacker and creative consumer known for unlocking the iPhone, allowing the phone to be used with other wireless carriers, contrary to AT&T's and Apple's intentions.
He developed the limera1n exploit for iOS.
He is also noted for his technical efforts and publicity with reverse engineering the PlayStation 3 video game console, and for subsequently being sued by and settling with Sony.
As of September 2015, he is working on his vehicle automation machine learning company comma.ai.