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VKVikas Kumarinvikaskumar75.hashnode.dev

SS7: The Invisible Threat Behind Your Phone Calls

Jul 11, 2025 · 10 min read · What is SS7? Signalling System No. 7, or simply SS7, is a worldwide telecommunications protocol for managing the routing of phone calls, SMS messages, and other services between a network of interconnected signalling points. SS7 facilitates quick com...

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