Telecom giant behind routing SMS discloses 5-year-long data breach

Syniverse, the targeted telecom firm, works with carriers like T-Mobile, Verizon, Twilio, and AT&T in routing SMS text messages exchanged between them and carriers abroad.

Syniverse, the well-known telecom giant, revealed to the Securities and Exchange Commission that hackers infiltrated its systems for more than five years. As a result, millions of cellphone users’ data and billions of text messages were exposed.

SEE: Hacker selling stolen 100 million T-Mobile customer data for $200

For your information, Syniverse works with carriers like T-Mobile, Verizon, and AT&T in routing messages exchanged between them and carriers abroad. According to the company’s website, it processes more than 740 billion messages per year.

The same company made headlines for the disappearance of Valentine’s Day text messages back in 2019.

About the Hack

According to the filing from the Securities and Exchange Commission published last week, in May 2021, the company learned about unauthorized access to its “operational and information technology systems by an unknown individual or organization…. allowing access to or from its Electronic Data Transfer (EDT) environment.”

Syniverse notified law enforcement and initiated an internal investigation that led to the discovery that the data breach actually started in May 2016. This indicates hackers could

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