Beyond the legal ramifications (statutory damages up to $150,000 per title in the US), downloading "PS4ISO" files poses specific technical risks to modern users.
A standard movie ISO and a PS4 ISO are not interchangeable. The PS4 uses a proprietary file system and encryption layers handled by secondary custom chips. To run a backup on a PS4 system, the console typically requires specific firmware versions that allow for "homebrew" or unofficial software execution. The Legal and Ethical Landscape ps4iso
Since PS4ISOs are large (40GB+), transferring them via USB is slow. Most users enable an FTP server on the PS4 and use on PC to transfer files directly over Ethernet. Beyond the legal ramifications (statutory damages up to