The Trusted Execution Environment (TEE) is a technique for securing the content on Android devices via securing the area of the main processor, to protect sensitive information. This helps in providing an isolated execution environment, and can further have Trusted Applications (TA) loaded into a separate space of execution to maintain trust, confidentiality, and integrity.

Challenge

The sensitive information on an Android device is vulnerable as it is comparatively easy to disassemble and extract the required information if the apps are executed in an insecure environment, and not much of an effort is required from hackers to achieve their goals.

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