Microsoft's persistent device ID enables law enforcement tracking across VPNs

Beneath the surface of every Windows 10 and 11 machine, a permanent identifier called the Global Device ID quietly binds each device to Microsoft's servers — a tether the user cannot sever and may not even know exists. When a cybercriminal suspect in Helsinki attempted to vanish behind VPNs, proxies, and three countries' worth of distance, that invisible thread held fast, and Microsoft handed the thread to law enforcement. The arrest that followed is less a story about one criminal than about the architecture of modern computing, where the tools of privacy and the tools of surveillance share t