International Business Machines Corporation

Qiang Guan

Li Li

Zhi Jun Wang

Chun Hua Tian

Zhang Chao

Fengjuan Wang

In an approach for determining an unauthorized device, a computer receives detection information from a computing device, wherein the detection information includes a broadcast transmission from one or more devices. The computer creates a state trajectory map based on the received detection information, wherein the state trajectory map identifies connections between at least the computing device and a first device of the one or more devices and the computing device and a second device of the one or more devices. The computer one or more anomalies within the created state trajectory map. The computer determines an unauthorized device based on the determined one or more anomalies.

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Qiang Guan