If you listen carefully in Ralph Breaks the Internet, just before Vanellope enters the princess’ dressing room, you can hear Elsa say this as she approaches Anna and Moana:
“Anna, did you change my password?”
And now all I can think of is these two having an endless password war where they’re constantly making each other guess the new password they’ve set on the other’s account (probably some kind of Disney cast member’s social media page):