Knox is Samsung's defense-grade security platform built into our latest mobile devices. To keep our devices secure, Knox leverages a processor architecture known as ARM TrustZone. In TrustZone, there are two worlds, the Normal World, and the Secure World. Virtually all smartphone software as we know today still runs in Normal World. The Secure World is reserved for highly sensitive computations, and is used extensively by Knox for protecting enterprise confidential data.
TrustZone consists of three core components:
Real-time Kernel Protection
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