I was recently looking up some guidelines on storing credit card information, and according to section 3.2 of the official PCI guidelines (
https://www.pcisecuritystandards.org/documents/PCI%20SSC%20Q...), CCV is not allowed to be stored, along with PIN or Full Magnetic Stripe data. Hopefully, Sony didn't do that or they will also face hefty fines in addition to bad PR and lawsuits.