Uber once again appears on the cyber crime scene because of another data leak due to an attack on the U.S. giant’s supply chain: in fact, the responsibility for the data leak is a third-party vendor who fell victim to a cyber attack.

More than 77,000 employee e-mail addresses and other information, including alleged source code for the mobile device management platform used by Uber and Uber Eats, appear to have been leaked into the public domain.

The leak is linked to an incident at Teqtivity, a company that provides IT asset management services, precisely for Uber. The outside vendor simultaneously said it was aware of the security incident and clarified that it does not collect or store sensitive information such as bank account details or national identification numbers.

Teqtivity said customer data was compromised due to unauthorized access to its systems by an external malicious user.