Telecoms Giant Syniverse Discloses Years-Long Data Breach

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Syniverse says it has roughly 1,250 customers across 200 countries, including a vast majority of the world’s mobile carriers, such as AT&T, Verizon, T-Mobile, Vodafone, China Mobile, Airtel, Telefónica, and América Móvil. The company’s services are used to connect the networks of different mobile carriers and enable the transmission of data. Syniverse says it enables billions of transactions, conversations and connections every day.

In a recent filing with the U.S. Securities and Exchange Commissions (SEC), the company admitted discovering a data breach in May 2021. An investigation revealed that an unknown threat actor had access to its OT and IT systems since May 2016.

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