something similar from the same blog about a malicious raspberry pi in a network closet and in the end the person who put it there was found out because their wifi credentials were still in the Pi
Reminds me of the time I was found out for changing my colleague’s desktop wallpaper to My Little Pony, which is standard punishment for leaving your machine unlocked.
Disk not ejected properly
Eject "STEVE" before disconnecting or turning it off.