"If you have been on the net long enough this will creep you out:
https://haveibeenpwned.com/"Ahh, the most useful tool made by Troy Hunt, who doesn't even realize that we've been using his database to exploit known-leaked credentials for years.
Thanks, Troy. Your desire to be an internet hero has actually resulted in more victims because you gave us a large database of searchable targets to go after, even if on a hunch. Not very smart, after all, are you? Don't realize how many people aren't going to be bothered to see if they've actually been pwned, even after being told about it?
BTW, Corporate MITMs are still a full security concern, no matter how you try to dismiss them. If a gov't entity gets inside, and gets MITM creds, game over. So much for your supposition of security in that scenario, like you try to ascertain against your detractors.