T-Mobile US Inc.’s network was among those recently breached by Chinese hackers in an attack on multiple telecommunications companies.

The carrier joins a growing list of known victims, including AT&T and Verizon, of the major Chinese spying operation.

T-Mobile provided PCMag with a statement acknowledging what it called “this industry-wide attack” but not confirming any compromise of customer records. “Due to our security controls, network structure and diligent monitoring and response we have seen no significant impacts to T-Mobile systems or data,