T-Mobile US has agreed to fork out $31.5 million to improve its cybersecurity and pay a fine after a string of network intrusions affected millions of customers between 2021 and 2023. Specifically, the telco has entered a legal settlement [PDF] with the FCC today that requires the carrier to pay a $15.75 million civil penalty to the US Treasury, and also spend $15.75 million over the next two years on its infosec program, including:

Source: The Register