That doesn’t make sense in this context – the point of PCC is so you know somebody isn’t snooping on your information when you send it to the servers. The person I was responding to seemed to think that Apple would be looking at that information.
replyYou're right, but also "PCC is very secure" might give a false sense of security, considering that there might be other associated vulnerabilities in these kinds of systems.
replyWhich is a good point. set a Bitcoin wallet private key in an obvious place on your system, and then setup a monitor (on another system) to notify you if its contents gets stolen.
replyDoesn't prevent the exfiltration but at least you'll know when it does.