Syniverse is a critical part of the global telecom infrastructure. It connects 300+ cell phone networks globally and acts as an intermediary for billing records and text messages sent between cell phone networks.

In the Securities and Exchange Commission filing Syniverse published last week the company disclosed that in May 2021 it “…became aware of unauthorized access to its operational and information technology systems by an unknown individual or organization.” It also revealed that the security breach first started in May 2016 giving the attacker five years of access.

Syniverse claims to process more than 740 billion text messages per year and the hack has a potential to impact millions of customers. The full extent has not been disclosed by the company yet.

For more information see Vice article: Company That Routes Billions of Text Messages Quietly Says It Was Hacked

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Marin Ivezic is a Cybersecurity & Privacy Partner in PwC Canada focused on risks of emerging technologies.