This apparently has been going on for five years. I didn't realize that one company controlled the flow of nearly all text messages. I wonder if Apple was immune, since it supposedly handles its own messages, or whether it had subcontracted with this company:
https://arstechnica.com/information...-major-us-carriers-was-hacked-for-five-years/
https://arstechnica.com/information...-major-us-carriers-was-hacked-for-five-years/