From wired.com
“EVIL MAID” ATTACKS are a classic cybersecurity problem. Leave a computer unattended in a hotel and an attacker dressed as an employee could enter your room, plant malware on your laptop, and slip out without leaving a trace. Allowing physical access to a device is often game over. But if you’re building processors that end up in millions of devices around the world, you can’t afford to give up so easily.