Pirates at DEF CON, Avast! Listen to the Roman lighthouse siren!
Avast pirates of DEF CON! All hands hoay! Listen to the sirens from ye badge to sail towards the coast of the Roman Empire to get closer to the booty!
Source: Pirates at DEF CON, Avast! Listen to the Roman lighthouse siren! (https://blog.avast.com/pirates-at-defcon-avast-listen-to-the-roman-lighthouse-siren)