This past January, I ordered a new TV. […] The TV was manufactured by Sceptre Inc. (note the ‘C’ and ‘P’ switch) and was covered in SCEPTRE branding. My goal for this project was to perform a hardware-level attack against the TV and change the branding to SPECTRE as an homage to the microarchitectural attack. This project has nothing to do with exploiting speculative execution, but instead it demonstrates several common techniques NCC Group uses when analyzing embedded systems.[…]
Hacking Your Way to a Custom TV Boot Screen
Firmware Security 