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Hackers Abuse SS7 and Diameter Protocols to Track Mobile Users Worldwide

📅 24 April 2026 at 06:11 UTC📰 Cyber Security NewsView original source ↗
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 […] The post Hackers Abuse SS7 and Diameter Protocols to Track Mobile Users Worldwide appeared first on Cyber Security News.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

Sophisticated threat actors are exploiting vulnerabilities in global mobile networks using SS7 and Diameter protocols, allowing them to track users worldwide without detection. This abuse of legacy protocols enables cross-border espionage, compromising user privacy.

⚙️Technical Details
Affected Systems
Global mobile networks
Attack Vectors
SS7 and Diameter signaling protocols
💥Impact Assessment
Severity: High
Who Is at Risk
Mobile users worldwide
🛡️Recommended Actions
1Implement network segmentation to isolate SS7 and Diameter traffic
2Regularly update mobile device firmware to patch known vulnerabilities
3Monitor network logs for suspicious activity related to SS7 and Diameter protocols
📦Affected Products
Global mobile networks using SS7 and Diameter signaling protocols

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