But if you live in america they cant, your allowed to modify anything you own "Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Educational or personal use tips the balance in favor of fair use." But they can take you to court for piracy but not owning a CFW, but however sony can't really track you down only by ip and thats when you use a vpn