08/19/2021
T-Mobile Shares Additional Information Regarding Ongoing Cyberattack Investigation
Businesswire
BELLEVUE, Wash.--(BUSINESS WIRE)--As we shared yesterday, we have been urgently investigating the highly sophisticated cyberattack against T-Mobile systems, and in an effort to keep our customers and other stakeholders informed we are providing the latest information we have on this event and some additional details:
- Late last week we were informed of claims made in an online forum that a bad actor had compromised T-Mobile systems. We immediately began an exhaustive investigation into these claims and brought in world-leading cybersecurity experts to help with our assessment.
- We then located and immediately closed the access point that we believe was used to illegally gain entry to our servers.
- Yesterday, we were able to verify that a subset of T-Mobile data had been accessed by unauthorized individuals. We also began coordination with law enforcement as our forensic investigation continued.
- While our investigation is still underway and we continue to learn additional details, we have now been able to confirm that the data stolen from our systems did include some personal information.
- We have no indication that the data contained in the stolen files included any customer financial information, credit card information, debit or other payment information.
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