Hackers Abuse SS7 and Diameter Protocols to Track Mobile Users Worldwide

A major investigation has revealed that sophisticated threat actors are exploiting fundamental vulnerabilities in global mobile networks to track users worldwide. By abusing legacy 3G SS7 and 4G Diameter signaling protocols, hackers are successfully bypassing telecom firewalls to conduct silent, cross-border espionage. The extensive Citizen Lab research uncovered two distinct surveillance threat actors, identified as […]

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