https://techcrunch.com/2019/11/22/more-than-1-million-t-mobile-customers-exposed-by-breach/

T-Mobile has confirmed a data breach affecting more than a million of its customers, whose personal data (but no financial or password data) was exposed to a malicious actor. The company alerted the affected customers but did not provide many details in its official account of the hack.

The company said in its disclosure to affected users that its security team had shut down “malicious, unauthorized access” to prepaid data customers. The data exposed appears to have been: