US-WI
Timeline
- August 16, 2021Reported to regulator Regulator
WI AG breach notification: an unknown number of Wisconsin residents affected
source
T-Mobile USA, Inc.
United States of America
T-Mobile USA, Inc. is an organisation in United States of America. It appears on the Massachusetts Attorney General breach-notification register and the California Attorney General breach-notification register with 5 confirmed incidents; the most recent notice was filed on August 16, 2021.
Data as of September 6, 2026.
US-MA
Timeline
- February 22, 2021Reported to regulator Regulator
MA AG breach notification: an unknown number of Massachusetts residents affected
source
What a Massachusetts notice means
Required under M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.
Note: the count is Massachusetts residents only, not a total.
US-WI
Timeline
- November 22, 2019Reported to regulator Regulator
WI AG breach notification: an unknown number of Wisconsin residents affected
source
US-WI
Timeline
- August 23, 2018Reported to regulator Regulator
WI AG breach notification: an unknown number of Wisconsin residents affected
source
US-CA
Timeline
- October 1, 2015Reported to regulator Regulator
CA AG breach notification: an unknown number of California residents affected
source
What a California notice means
Required under Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.
Note: no affected-count is published on this register.