When Sony shut down the PlayStation Store on the PS3, hundreds of digital-only games were at risk of being lost forever. Titles like Journey , PixelJunk Shooter , and obscure PSN exclusives vanished from the legal marketplace.
If you follow instructions carefully, the risk is minimal. Unlike early jailbreak methods, modern HEN installation is relatively safe. However, you should always follow warnings and avoid activating Factory Service Mode (FSM) or installing CCAPI with HEN.
A soft-mod exploit that injects homebrew capabilities into official firmware. It must be manually enabled every time you boot the console.