The Xbox 360 was broken by voltage glitching, and Microsoft successfully prevented it from happening again with the Xbox One: https://www.youtube.com/watch?v=U7

The Xbox 360 was broken by voltage glitching, and Microsoft successfully prevented it from happening again with the Xbox One: https://www.youtube.com/watch?v=U7VwtOrwceo https://www.youtube.com/watch?v=U7VwtOrwceo In short, there's now a hardware watchdog which reboots the system if anything weird happens to the clocks/temps/voltages, and they carefully structured their boot ROM (the only code they can't patch later) to ensure that even if you somehow manage to sneak one glitch past the watchdog, no single branch condition being inverted will lead to a compromised state.