From what I understand it is very loose and can mean "you accessed our systems legitmately but we didn't want you to". I think it was last year that facebook w

From what I understand it is very loose and can mean "you accessed our systems legitmately but we didn't want you to". I think it was last year that facebook went after fake likes / fake followers companies who were logging via the login page and they liking / following. Companies in China / New Zealand and I think NY? got threatened with the CFAA (unsure if it went further) but it made the tech news at the time. I don't think anyone hear would call writing a bot that logged in with actual details and performed an action (the same a real person could) as hacking, but facebook were saying as it broke the TOS, it was unauthorised, thus hacking laws apply. With their budget, I guess they get to decide what hacking is