MGM Resorts Hit by Cyber Siege: Hackers Brag About Four-Day Outage

In the wake of a cyberattack that forced MGM Resorts to shut down systems across all of its properties, the company continues to suffer from widespread outages. The majority of MGM’s internal networks were shut down for most of Sunday, the evening before the Grand Opening of its Las Vegas Strip hotels and casinos such as the Bellagio, Aria and Cosmopolitan. 

Due to this technical failure, ATMs and slot machines throughout the company’s hotels and casinos experienced widespread disruptions, and guests have reported issues with their room digital key cards and electronic payment systems, as well as the electronic payment systems in the casinos. 

“MGM is an enormous company, but there are countless cases where small and medium-sized businesses are victimized by ransomware every week and it does not usually make the headlines,” says Alex Hammerstone, who is an advisory solutions director at TrustedSec, a cybersecurity firm based in Ohio. 

According to the company on Monday, a “cybersecurity issue” had affected some of its systems and was forcing the company to shut down some of its systems, which were owned by MGM, which has over two dozen hotels and casinos around the world and an online sports betting arm as well. Several reports indicated that everything from hotel room keys to slot machines did not work for the next several days.&

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