User: “Help! I can’t find some of the files I need on the server for this morning’s meeting.”

Sysadmin: “Okay, that server looks fine, and we have good backups. What folders are missing files?”

User: “Well, I was looking in the agendas folder, and then it was gone, and there was a porn folder, and a sexy pictures folder, and…”

Sysadmin: “That sounds a little more serious than missing files. We’re on our way.”