In March 2026, T-Mobile, USA reported a data breach to the Maine Attorney General. The breach was discovered on March 5, 2026, and was attributed to insider wrongdoing, affecting one individual.
The breach involved the exposure of names and other personal identifiers. The company offered 24 months of free credit monitoring and identity theft protection through Transunion to the affected individual. The full extent of the data types involved has not been publicly detailed beyond the initial disclosure.
Details can continue to emerge as investigations proceed, and notices to other potentially affected individuals may be delayed.