EFF Raises SS7 and Diameter Concerns at FCC
The Electronic Frontier Foundation (EFF) warned the FCC of potential risks to consumers regarding providers’ implementation of security countermeasures to prevent the exploitation of vulnerabilities in the Signaling System 7 (SS7) and Diameter protocols to track the locations of consumers…
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through their mobile devices (see 2404290032). “EFF has been concerned about location data privacy for years, including the threat posed by surveillance companies enabling their foreign government customers to conduct surveillance by exploiting SS7 network vulnerabilities,” said a filing posted Wednesday in docket 18-99. Current use of the Diameter protocol “presents similar problems,” EFF said in reply comments on a Public Safety Bureau notice. EFF urged the FCC to require audits of major wireless carrier use of SS7 and Diameter “every 12-18 months,” with a requirement that providers “address any identified vulnerabilities.”