How I hacked ALL displays in my high school district to play Rick Astley

This story isn't one of those typical rickrolls where students sneak Rick Astley into presentations, talent shows, or Zoom calls. I did it by hijacking every networked display in every school to broadcast "Never Gonna Give You Up" in perfect synchronization.

My son decided to Rick Roll the school for Halloween : r/pics

Project Chanology - Wikipedia

High schooler rickrolled entire school by hacking into IoT system : r/nextfuckinglevel

Minneapolis students use prank to expose even more security flaws

Student 'Rick Rolls' School By Hacking Security System

A former high school student hacker who hacked the entire school district and played 'fishing videos' to 6 high schools fully disclosed the circumstances at that time - GIGAZINE

A former high school student hacker who hacked the entire school district and played 'fishing videos' to 6 high schools fully disclosed the circumstances at that time - GIGAZINE

Brandy Breaking My Trust

The ABCs of cybersecurity - The Globe and Mail