Meanwhile, Singapore Airlines is refusing to give me the UA MP Number of the account citing "security reasons" for the account holder.
​​​It really baffles me what security reasons there are when SQ is claiming that I credited it wrongly myself.

Thankfully, Turkish has slightly more common sense.

I've reached out to UA with the FFP Account Number and they said that the fraudlent account was frozen​ in April after the miles were credited to it. United CS required me to submit my information to UA Compliance to unfreeze the account and reverse the miles.

I wonder how well this will go.