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Yan Jia

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Design Flaws and Deployment Chaos in Cloud-based IoT Access Control PoliciesBlack Hat Europe 20222022-12-05
Analyzes actual cloud IoT deployments and finds concrete flaws: policy semantic gap between MQTT topic wildcards and cloud policy semantics lets hashes/plus…
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Codema Attack: Controlling Your Smart Home Through Dangling Management ChannelsBlack Hat Asia 20222022-05-10
Analyzes 14 top-rated devices and finds real-world takeover paths where unused management channels let an attacker control locks and lights by binding to a…
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How I Can Unlock Your Smart Door: Security Pitfalls in Cross-Vendor IoT Access ControlBlack Hat Asia 20212021-05-04
Demonstrates concrete attacks that turn temporary guest access into persistent control of smart locks by exploiting cross-cloud delegation gaps (Google Home…
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Security Holes in the Integration and Management of Messaging Protocols on Commercial IoT CloudsBlack Hat Europe 20192019-12-02
In this presentation, we report the first systematic study on the protection that leading commercial IoT clouds (e.g., AWS IoT Core, IBM Watson IoT, Azure IoT…
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