A lot of people may not agree with me, but I stand behind this simple advice; assume you are being watched/followed/transcribed/recorded 24 hours a day, seven days a week.
Act accordingly. Of course, the key is in balancing confidentiality without venturing over the line into paranoia. I can’t help you, there. It comes down to using your best judgment.
Or, you can do what Patrick Moran, the son of Congressman Jim Moran, did…