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‘Brief’ Sunday system outage behind lobby lines at some MGM resorts

An afternoon computer system outage at multiple MGM Resorts International properties on Sunday was because of an internal issue, company officials said Monday.

Lines of hotel guests could be seen at check-outs at the Aria and Mandalay Bay hotel-casinos, according to videos shared on Facebook and X, formerly known as Twitter.

A spokesperson for MGM Resorts described the outage as a “brief internal issue” resolved Sunday. He said the issue was not the result of a cybersecurity breach.

The hospitality giant was the target of a cybersecurity breach in September 2023 that crippled hotel operations, casino games and credit card payment systems across the portfolio for more than a week. The Federal Trade Commission is trying to get the company to respond to an investigative demand for information about the cyberattacks.

Contact McKenna Ross at mross@reviewjournal.com. Follow @mckenna_ross_ on X.

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