Are AI companies using our private data to train their models?

I'm not pro-regulation in general, but sometimes regulation makes sense.

Many companies and large corporations are using GPT or some other Large Language Model to power-up their services. Thanks to the lack of transparency of OpenAI and the like, some conspiracy theories are going around about AI using your data to train their models.

Maybe it's not true today. But it could be true in the future. It only requires a change in the Terms of Use of whatever service you are using.

As security expert and legend Bruce Schneier notes in his article The AI trust crisis:

These foundation models want our data. The corporations that have our data want the money. It’s only a matter of time, unless we get serious government privacy regulation.

Also worth reading is Simon Wilson's article, mentioned by Schneier.