Unveiling the Insecurity of Operational Cellular Emergency Services (911): Vulnerabilities, Attacks, and Countermeasures

The cellular network offers a ubiquitous emergency call service with its pervasive coverage. In the United States, it can be consumed by dialing 911 for cellular users, and the emergency call is forwarded to the public safety answer point (PSAP), which handles emergency service requests. According t...

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Bibliographic Details
Published in:GetMobile (New York, N.Y.) N.Y.), 2023-05, Vol.27 (1), p.39-43
Main Authors: Hu, Yiwen, Chen, Min-Yue, Tu, Guan-Hua, Li, Chi-Yu, Wang, Sihan, Shi, Jingwen, Xie, Tian, Xiao, Li, Peng, Chunyi, Tan, Zhaowei, Lu, Songwu
Format: Article
Language:English
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Summary:The cellular network offers a ubiquitous emergency call service with its pervasive coverage. In the United States, it can be consumed by dialing 911 for cellular users, and the emergency call is forwarded to the public safety answer point (PSAP), which handles emergency service requests. According to regulatory authority requirements [1,2,3] for cellular emergency services, anonymous user equipment (UE) is allowed to access them without a SIM (Subscriber Identity Module) card, a valid mobile subscription, or a roaming agreement with the visited cellular network. Such support of the cellular emergency services requires different operations from conventional cellular services, thereby increasing the attack surface of the cellular infrastructure.
ISSN:2375-0529
2375-0537
DOI:10.1145/3599184.3599195