Employees regularly paste company secrets into ChatGPT
Boy, do I have some bad news for you about O365/Google Workspace/iCloud/AWS etc.
Everything you're not hosting 100% in-house, a public AI already has it, and will use it to answer outside parties queries.
The next few years are going to be the best time in history to be a class action lawyer (until they realise their office is leaking like a breached dam because they also use O365.)