My Own Pet Solution

(It is the early 2000s. Computers are still growing in use, and have only recently become commonplace at my mother’s office. Whenever someone is sick and has files on their computer that they need, one of her coworkers will get in to their computer. No one knows how he does it since he doesn’t work in the IT department, and everyone  just assume he’s an IT wizard. Then, one day…)

Coworker: “There, you’re in.”

Boss: “Thanks. How do you keep getting in, anyway?”

Coworker: “Oh, it’s easy. I just know the names of everyone’s pets.”

Boss: “…”

(It turns out everyone used their pet’s name as a password. Mystery solved!)