Syniverse, a telecom firm that helps carriers like Verizon, T-Cell, and AT&T route messages between one another and different carriers overseas, disclosed final week that it was the topic of a potential 5 yr lengthy hack. If the title Syniverse sounds acquainted, the corporate was additionally chargeable for the disappearance of a swath of Valentine’s Day textual content messages in 2019.

The hack in query was dropped at mild in a Securities and Exchange Commission filing Syniverse published last week. In it, Syniverse shares that in Could 2021 it “became aware of unauthorized access to its operational and information technology systems by an unknown individual or organization.” The corporate did its due diligence notifying legislation enforcement and conducting an inner investigation, ensuing within the discovery that the safety breach first began in Could 2016. That’s 5 years of (presumably) unfettered entry.

The hackers “gained unauthorized access to databases within its network on several occasions, and that login information allowing access to or from its Electronic Data Transfer (EDT) environment was compromised for approximately 235 of its customers,” the submitting reads. That might embrace entry to name data, and metadata like cellphone numbers, places, and the content material of textual content messages, according to Motherboard’s sources.

Syniverse’s SEC submitting says the corporate notified anybody caught up within the breach, and reset credentials had been acceptable. Moreover, “Syniverse did not observe any evidence of intent to disrupt its operations or those of its customers and there was no attempt to monetize the unauthorized activity,” the submitting states. Verizon, AT&T, and Syniverse didn’t instantly reply to a request for remark from The Verge, whereas T-Cell referred inquiries to the CTIA. T-Mobile did tell Ars Technica that it was “aware of a security incident” with Syniverse however there may be “no indication that any personal information, call record details or text message content of T-Mobile customers were impacted.”

Syniverse’s safety breach was revealed as the corporate is trying to go public by way of a merger with a particular objective acquisition firm (SPAC), but it surely looks as if it was a goal within the first place due to the corporate’s dimension. Syniverse has spent the final decade changing into a quasi-gatekeeper for a number of US carriers by way of acquisitions, The Verge’s earlier reporting discovered. Dimension issues in enterprise, however as with the SolarWinds hack, it issues much more when one thing goes unsuitable.

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