Ride-share giant Uber has confirmed that it was responding to “a cybersecurity incident” and was contacting law enforcement about the breach.

Reports say that an18-year-old individual took responsibility for hacking Uber’s security system. The hacker bragged to multiple security researchers about the steps they took to breach the company.

The attacker posted, “Hi @here I announce I am a hacker and Uber has suffered a data breach,” in a channel on Uber’s Slack. The Slack post also listed a number of Uber databases and cloud services that the hacker claimed to have breached. The message reportedly concluded with the sign-off, “uberunderpaisdrives.”

Uber, an American company is a service provider that allows users to book a car and driver to transport them in a similar way to a taxi. They operate in many countries including Nigeria.