1) A new PS3 jailbreak dongle was released, allowing users to back up games and access homebrew applications. However, Sony quickly blocked unknown USB devices with firmware 3.56. 2) Near Christmas, failoverflow cracked the PS3 encryption keys, allowing homebrew applications and PSN access. Geohot then released a jailbreak that further enabled backups and PSN access. 3) This period was the "golden age" for jailbroken PS3s with full PSN access. However, many players were banned for cheating on games like Call of Duty. The PSN hack of 2011 compromised over 50 million user accounts before PSN was shut down for 60 days.