It's probably part of their fraud detection and mitigation strategy. Combined with other info about your transactions it could help raise a flag about changes.

It's probably part of their fraud detection and mitigation strategy. Combined with other info about your transactions it could help raise a flag about changes. As for the CFAA that's seemingly down to how aggressive the prosecutor is feeling about your case. I don't think it should be there's no real access happening and unless it's extremely aggressive and degrades network connectivity it's hard to argue there's any real damage done.