T-Mobile investigating claims of customer data breach

FILE PHOTO: A T-Mobile logo is seen on the storefront door of a store in Manhattan, New York, U.S., April 30, 2018. REUTERS/Shannon Stapleton/File Photo/File Photo

(Reuters) -T-Mobile is investigating a claim on an online forum post which says the personal data of over 100 million users have been breached, the company said.

"We are aware of claims made in an underground forum and have been actively investigating their validity. We do not have any additional information to share at this time," a T-Mobile spokesperson said in a statement to Reuters.