T-Mobile released information about reports of a recent data breach affecting their customers. While the scope of this breach is not fully known, it does involve Personally Identifiable Information (PII). GHC IT recommends all T-Mobile customers change their account password and security PIN immediately in order to protect themselves from fraud related to their account.
More information is available at: https://www.t-mobile.com/news/network/additional-information-regarding-2021-cyberattack-investigation