Uber says Lapsus$-linked hacker responsible for breach

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(Reuters) -Uber Technologies Inc said on Monday a hacker affiliated with the Lapsus$ hacking group was responsible for a cyber attack that forced the ride-hailing company to shut several internal communications temporarily last week.

Uber (NYSE:UBER) said the attacker had not accessed any user accounts and the databases that store sensitive user information such as credit card numbers, bank account or trip details.

"The attacker accessed several internal systems, and our investigation has focused on determining whether there was any material impact," Uber said, adding that investigation was still ongoing.

The company said it was in close coordination with the FBI and the U.S. Department of Justice on the matter.

Friday's cybersecurity incident had brought down Uber's internal communication system for a while and employees were restricted to use Salesforce-owned office messaging app Slack.

Uber said the attacker logged in to a contractor's Uber account after they accepted a two-factor login approval request following multiple requests, giving the hacker access to several employee accounts and tools such as G-Suite and Slack.

The hacking group, Lapsus$, has targeted firms including Nvidia (NASDAQ:NVDA), Microsoft Corp (NASDAQ:MSFT) and Okta (NASDAQ:OKTA) Inc, an authentication services company relied on by thousands of major businesses.

Lapsus$ could not be immediately reached for comment.

The hacker, who goes by the name "teapotuberhacker," also reportedly claimed to leak early gameplay footage of Take-Two (NASDAQ:TTWO) Interactive Software Inc's muck-awaited game "Grand Theft Auto VI" on Monday.

The hacker had posted a message on the forum about seeking to "negotiate a deal" with the videogaming company.