7 different models from different companies, including Chinese models, have had this happen now.
Last night OpenAI stopped all model training because a model escaped sandboxing during the training run.
We've been building firewalls and restrictions to prevent people from accessing sites on networks for decades and they're extremely effective. There's a whole industry built around this kind of security. The idea that these companies are incapable of doing it is wrong, they just don't want to put the work in because it makes a great ad campaign