TEE-Watchdog: Mitigating Unauthorized Activities within Trusted Execution Environments in ARM-Based Low-Power IoT Devices

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Security goal</td><td class="align_center">Description</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left"><i>G1</i></td><td class="align_center">Secure world applications cannot modify TEE-Watchdog components and structures.</td></tr><tr><td class="align_left"><i>G2</i></td><td class="align_center">Normal world applications and their trusted code cannot interrupt TEE-Watchdog operations or processes that make TEE-Watchdog functional.</td></tr><tr><td class="align_left"><i>G3</i></td><td class="align_center">Malicious applications are prevented from depleting TEE-Watchdog resources.</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>A summary of TEE-Watchdog’s security goals.</div>

Security and Communication Networks

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Table 3

Table 3: TEE-Watchdog: Mitigating Unauthorized Activities within Trusted Execution Environments in ARM-Based Low-Power IoT Devices 