Cyberattack Shuts Down MGM Resorts; FBI Investigating

MGM resorts in Las Vegas and across the U.S. are now operational as investigation continues

Scarlett Evans, Liz Hughes

September 13, 2023

1 Min Read
The Bellagio Hotel & Casino's water fountain lake is viewed from Caesars Palace Hotel & Casino on August 13, 2023 in Las Vegas, Nevada.
George Rose/Getty Images

The FBI is investigating a possible cyberattack that crippled MGM Resorts International hotels and casinos nationwide Monday. 

On Monday, MGM posted on Twitter that it shut down certain systems to protect data and has hired assistance from external experts to find the cause of the problem.

"Promptly after detecting the issue, we quickly began an investigation with assistance from leading external cybersecurity experts," the statement said. "We also noticed law enforcement and took prompt action to protect our systems and data, including shutting down certain systems. Our investigation is ongoing, and we are working diligently to determine the nature and scope of the matter."

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The attack impacted everything from guests accessing hotel rooms to paid parking systems to ATMs, slot machines, the company's website and mobile app. As of Wednesday morning, the website was still down. 

The issue reportedly impacted systems across the company’s U.S. properties in Las Vegas,  Maryland, Massachusetts, Michigan, Mississippi, New Jersey, New York and Ohio.

Late Monday MGM announced it was back to being operational, although its website was still down Wednesday morning. 

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About the Author(s)

Scarlett Evans

Assistant Editor, IoT World Today

Scarlett Evans is the assistant editor for IoT World Today, with a particular focus on robotics and smart city technologies. Scarlett has previous experience in minerals and resources with Mine Australia, Mine Technology and Power Technology. She joined Informa in April 2022.

Liz Hughes

Editor, IoT World Today, IoT World Today

Liz Hughes is an award-winning digital media editor with more than two decades of experience in newspaper, magazine and online media industries. 

A proven digital media strategist and editor, Liz has produced content and offered editorial support and leadership for a variety of web publications, including Fast Company, NBC Boston, Street Fight, QuinStreet, WTWH Media, AOL/Patch Media and Design News.

A skilled social media strategist experienced in developing and maintaining an audience across multiple platforms and brands, Liz also enjoys sharing her knowledge and expertise to help businesses small and large.

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