I had a similar 1Password moment. I was buying airline tickets; entered my name, my wife’s name, address, declined insurance, declined hotel offer, scroll scroll scroll... Then I let 1Password fill in my payment details, which it did perfectly fine. But... what it ALSO did, on a field now well off the top of the screen, was change my wife’s first name to my full name.<p>I caught this when I got the confirmation email. I called the travel website, and they said since it was within 24 hours I could just cancel the tickets for free, or if I liked I could pay an outrageous fee to the airline to change the name on the ticket. Unsurprisingly I chose the former.<p>So, nor harm done, but if we’d gotten to the airport and my wife couldn’t come on holiday because I didn’t have a ticket for her... could have gone badly. :P