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T-Mobile is also being sued by the state of Washington for a data breach in 2021 that exposed the personal information of more than 79 million people. Seaside reports. The a case released Monday says T-Mobile has been aware of various security vulnerabilities in its systems for years but has not acted on them. As a result, the hacker succeeded breaking T-Mobile in March 2021 and was not identified until August of the same year when a “cybersecurity threat intelligence firm” informed T-Mobile of the incident.
Beyond saying that T-Mobile knew about these flaws and took no action to fix them, Washington State Attorney General Bob Ferguson also says that T-Mobile’s notifications to customers affected by the breach were incomplete and misleading. The messages were brief and did not reveal the details of the breach, but only told customers that their credit and debit card information was not disclosed while failing to mention their security numbers and other personally identifiable information.
The victims included a million Washington residents. Much of T-Mobile’s stock was later placed on the dark web to be sold to high bidders. T-Mobile even thinks so he hired someone else purchase access to data.
In more ways than one, this isn’t T-Mobile’s first game. The company was already the defendant written by AG Ferguson a decade ago on “deceptive” advertising. It has also been targeted for violations from 2021 – specifically 2024”Salt storm” to attack the telecommunications industry. T-Mobile says its systems and data have not been significantly affected.
