One day after T-Mobile announced a new cyberattack, a federal judge heard arguments on whether to approve a $350 million data breach settlement on behalf of millions of its customers.

The settlement resolves class actions brought over a 2021 breach that impacted 76.6 million T-Mobile customers. But Friday’s hearing before U.S. District Judge Brian Wimes of the Western District of Missouri comes one day after T-Mobile USA Inc. announced a new cyberattack in which a “bad actor” accessed 37 million customer accounts.