The phone giant said hackers did not access the contents or logs of customer phone calls or text messages, during an industry-wide attack on phone and internet companies.

T-Mobile isn’t exactly known for having a stellar track record against hackers, but it seems that the company actually caught a recent cyberattack in progress and shut it down in time. Bloomberg reports that T-Mobile detected suspicious activity in a recent attempt to access customer data and kicked the cyber criminals out before they were able to infiltrate deeper levels of the network.

U.S. telecom firm T-Mobile said on Wednesday it had detected attempts in recent weeks by "bad actors" to infiltrate its systems but they did not access sensitive customer data.

T-Mobile, one of America's largest wireless carriers, has confirmed it was compromised in a recent wave of sophisticated cyberattacks targeting U.S. telecom companies.

T-Mobile says the Chinese "Salt Typhoon" hackers who recently compromised its systems as part of a series of telecom breaches first hacked into some of its routers to explore ways to navigate laterally through the network.

This morning, a report from Bloomberg states that T-Mobile engineers spotted suspicious behavior on the carrier's network devices that tipped off the carrier that it was under attack. Jeff Simon, T-Mobile 's chief security officer,

T-Mobile has joined the growing list of US telecom operators who have been breached by Salt Typhoon. The company confirmed in a statement to the Wall Street Journal that while a breach had occurred, there was no evidence to suggest the attackers had accessed or exfiltrated any customer data.

T-Mobile has severed its connection to the unnamed wireline provider, which it suspects may still be compromised.

The mobile carrier provided its first detailed rundown of how it stopped hackers from infiltrating its networks.