Some search results offer “FNAF Security Breach ISO” downloads. Be extremely cautious—genuine PSP homebrew is distributed as folders containing EBOOT.PBP , not as ISO disc images (which are reserved for commercial games or UMD backups). An ISO claiming to be a Security Breach port is likely a mislabeled emulator‑only build, a different game entirely, or potentially malicious.
: Most of these patched versions require your PSP to be running Custom Firmware (CFW) . They are also popular for play on the PPSSPP emulator , which can run these homebrew files on PC and Android with higher resolutions. Official "Security Breach" Updates (Reference) fnaf security breach psp patched