Thieves use tools like Shodan.io to find vulnerabilities and exploit them.
I will second using Steve Gibson's ShieldsUp. Going to his site at https://www.grc.com will give you loads of security information.
to everyone... i will go over all this.. and thank you so very much... FR has so many nice people on here..
thanks to Jim Robinson and thanks to You... this helps!!!
and donate to FR.. we need it!