have her call both the head of the firm and with the IT guy.
and whatever they say to her on the call, have her strongly insist that whatever is discussed is sent to her in an email from each. Then have her save copies both electronically and in print form.
Satan (impatiently) to Newcomer: The trouble with you Chicago people is, that you think you are the best people down here; whereas you are merely the most numerous.
- - - Mark Twain, "Pudd'nhead Wilson's New Calendar" 1897