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Nation-State Hackers Breach U.S. Telecom Networks via Partner Company

First seen 2 Nov 2025, 16:14 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

Nation-state hackers have breached the networks of Ribbon Communications, a major U.S. telecommunications services provider. The breach was discovered by a U.S. company that has access to the networks of the largest telecom firms in the country. Specific details about the nature of the attack and the hackers' objectives remain undisclosed.

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