Dan Petro, a security analyst for Bishop Fox, built a proof of concept device that’s able to hack into any Google Chromecasts nearby to project Rick Astley’s “Never Gonna Give You Up,” or any other video a prankster might choose. Read all the details – and why this is so concerning – in this Business Insider article: This Gadget Can Hijack Any Google Chromecast, And It’s Actually A Pretty Serious Issue