MGM Resorts was down for 36 hours due to a technical issue.
The outage started at 7:00 AM ET on a Tuesday and affected all of MGM's online platforms.
MGM's website and mobile app were unavailable during the outage, causing inconvenience to customers.
The company's technical team worked around the clock to resolve the issue.
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MGM Resorts Status Update
MGM Resorts has ended its 10-day computer shutdown, which was prompted by a cyberattack that was detected on September 10.
The company reported that all of its hotels and casinos are operating normally.
MGM Resorts ended its computer shutdown after a 10-day pause, which was estimated to have cost the company up to $8 million per day.
Systems handling resort services, dining, entertainment, pools, and spas are now operational.
The company's website and app are taking dining and spa reservations while it works to restore hotel booking and loyalty reward functions.
MGM Resorts has properties in Las Vegas and throughout the country, including in Maryland, Massachusetts, Michigan, Mississippi, New Jersey, New York, and Ohio.
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The company reported annual revenues above $14 billion, which would mean it averages at least $270 million in revenues per week.
The cyberattack exposed critical cybersecurity weaknesses at MGM Resorts and Caesars Entertainment, shattering an image of casino invulnerability.
Caesars Entertainment, the largest casino owner in the world, was also hit by a cyberattack on September 7, which may have exposed driver's license and Social Security numbers of loyalty rewards members.
Sources
- https://www.arkansasonline.com/news/2023/sep/22/mgm-resorts-ends-attack-led-computer-shutdown/
- https://www.newsday.com/business/normal-operations-return-to-mgm-resorts-10-days-after-cyberattack-casino-company-says-v4qxi4sj
- https://www.computerweekly.com/news/366551894/US-casino-giant-MGM-Resorts-battles-36-hour-outage-after-cyber-attack
- https://ksltv.com/588312/normal-operations-return-to-mgm-resorts-10-days-after-cyberattack-casino-company-says/
- https://www.forbes.com/sites/suzannerowankelleher/2023/09/14/2-casino-ransomware-attacks-caesars-mgm/
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