Microsoft has access to ALL corporate data of ALL companies (sharepoint, teams, outlook, office365). Remaining step is to link chatgpt to it and train automated agents.
I mean, there’s a dozen lawsuits against OpenAI just for training on published books. If you’re going to get sued anyway, why not train on private data?
This is one of the reasons I mostly gave up on protonmail. Sure all my email is encrypted on proton's servers, but everyone else on any given email chain is using gmail, so what's the point?
They do already have several "train your own model"-style ChatGPT products available though.