(on 02/20/2020 at 3:59pm mountain time, Ed said)
Examples of a service are ...
If these are running on my workstation, it must be by default. I did not start them. How do I check?
No one is authorized to connect in from outside; I myself do not
try to do so.
I don't know what that means.
As far as I know, I'm not running any services. I do not try to connect to my workstation from any other system.
Well, that sounds much more you information was leaked by PayPal.
Not your system. I did not think the information came from my system. But I can't be certain. So it seems wise to check my system. My guess is the information came from the "dark web", or some commercial system (paypal? the bank? other businesses for which I use that card?) got hacked, but the word hasn't yet gotten out.