Nevada has a gaming dept that certifies the firmware in "slot" machines. It shouldn't be hard to do the same for TVs. Maybe include cars too... they like to phone home more than they should.

One does not want to end up on the bad side of Nevada's Gaming Commission [1]. They can and will rip you apart.

[1] https://www.derstandard.de/story/3000000298248/hearing-in-la...