I don't, but I strongly suspect they exist. While it's not my MO, I am quite certain that a blackhat-hacker with an exploit that enables them to compromise anyo

I don't, but I strongly suspect they exist. While it's not my MO, I am quite certain that a blackhat-hacker with an exploit that enables them to compromise anyone's personal account would have the idea to target wealthy/famous people for personal gain. I also don't think it's beyond reason to think they could generate more than $50,000 through malicious means. Doing it without getting caught would be the challenging part, I guess.