Washington state has taken legal action against T-Mobile for allegedly neglecting cybersecurity vulnerabilities, leading to a significant data breach in 2021 that impacted 79 million people across the U.

Washington state's attorney general says the company had years to fix vulnerabilities. T-Mobile says it's "fundamentally transformed" its approach to cybersecurity.

According to Washington's Attorney General, T-Mobile knew its security practices were inadequate even before the 2021 security breach.

T-Mobile has been sued a second time over a 2021 data breach that impacted 80 million T-Mobile users. The consumer protection lawsuit comes