The Threat Beneath: Hidden In-Chip Operating Systems
Modern CPUs from Intel and AMD ship with undocumented, embedded operating systems (Intel ME, AMD PSP) that run below your OS—at ring -3—with full system access and zero user control.
What’s at risk?
Persistent backdoors, remote code execution, firmware implants
Nation-state exploitation (NSA, China’s APTs, Shadow Brokers leaks)
Hidden microcontrollers that can operate even when powered “off”


Purism
Hidden Operating Systems in Chips vs. Secure, Auditable OSes: A Cybersecurity Comparison – Purism
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freed...











