I think the webshop's arguments make sense and they go beyond in transparency and detail from what I would've expected. They seem to know their systems and have

I think the webshop's arguments make sense and they go beyond in transparency and detail from what I would've expected. They seem to know their systems and have safeguards and best practices in place. You only present theories it was them. > - a keylogger on my computer Or rogue browser extension taking screenshots when a user visits a shopping checkout page. (I know that's also just a theory.)