I'm no expert, but Sony must be able to decrypt the card information in order to use it to process payments. So even if the card numbers were encrypted, it's po

I'm no expert, but Sony must be able to decrypt the card information in order to use it to process payments. So even if the card numbers were encrypted, it's possible hackers could obtain the passkey for decrypting the data, if it was also stored on a compromised server. (Generally speaking. I don't know what happened here.)