The massive data breach follows a similar attack on Caesars Resorts last week.

MGM Resortsis on day five of anightmarish cyber attackthat has completely shut down the company ’s online operations . ab initio , the resort did not confirm that the issues were the cause of a cyber approach — only that there were cybersecurity issues at hotels and casino floors inLas Vegas , Maryland , Massachusetts , Michigan , Mississippi , New Jersey , New York , and Ohio . Customers were tell not to treat bookings or anything concern to check through the MGM , and the MGM Resorts website directed customers to handle their engagement over the phone .

Then , on September 12 , MGM Resortsissued a statementformally addressing the issue :

" MGM Resorts of late identified a cybersecurity egress affecting certain of the Company ’s system . Promptly after discover the outlet , we began an investigation with assistance from leading international cybersecurity expert . We also advise law enforcement and are taking step to protect our systems and data point , let in shut down sure systems . Our probe is ongoing , and we are working diligently to address the subject . The Company will continue to put through measures to secure its business operations and take extra gradation as appropriate . "

Betting kiosks at the sportsbook at MGM Grand in Las Vegas on Sept. 12, 2023. MGM Resorts International properties had a cybersecurity issue that thwarted credit card transactions and affected computerized systems.

K.M. Cannon/Las Vegas Review-Journal/Tribune News Service/Getty Images

By Thursday , newsworthiness reports confirmed that MGM was the dupe of a cyber attack . The FBI confirmed that it wasinvestigating the incident . At the same prison term , Caesars Entertainment reported that the society had also been the dupe of a cyber approach , and had pay a ransom , according toABC News .   Cybersecurity researcher V - X Underground report that a group called ALPHV ransomware chemical group was able to infract MGM ’s system by finding an employee on LinkedIn , and make a phone call . Bloombergreported that the same group was responsible for theattack on Caesars .

At MGM , the attack has involve hotel booking , restaurant reservations , betting systems , and incarnate email accounts . Some customers also reported not being capable to utilize room keys . Reporting fromKTVN Las Vegasrevealed that MGM properties in Las Vegas seemed to have returned to normal operation , apart from long waits at front desk . On social media , some guest are articulate it ’s a bit more intense : slot machine are reportedly being paid out manually by an employee , and the process has a wait time anywhere between 20 minutes to an hour .

TheMGM Resorts websitehas a notice on its site advising what client and guests can do while this approach continues to hobble the scheme .

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Screenshot via MGM Resorts

" We apologize for the inconvenience . For restaurant options and reservations , please download the MGM Rewards App . To make a reservation for a resident artist , production show , or attraction please visit Ticketmaster.com . To buy tickets for UFC , Las Vegas Aces , Vegas Golden Knights or a concert upshot at an Arena please inflict AXS.com , " the site states .

" For hotel reservation arriving September 13 - 17 , 2023 , we understand your travel program may have changed , so we are forfeit change and cancellation fee . "

The process for how to go about canceling your booking is currently undecipherable . Phone number were antecedently list on the MGM Resorts website , but are no longer listed . It does seem that those changes would need to be done over the phone , as all internet site booking functions are down . As of September 14 , when you call the Central Booking telephone phone number , 855 - 788 - 6775 ,   an automated voice informs caller that MGM Resorts is not accept phone calls due to technical difficulties .

In an update on Thursday good afternoon , MGM thanked employee for their work and Guest for their " continued patience . "

If you have been affected by a data breach , there are specific steps you could take , according toExperian .   First , if your information was compromised in a breach , the troupe that was breached is required to notify you . Right now , it might be too presently to determine on the nose how the cyber tone-beginning against MGM will affect customer . But in the effect that your data point has been exposed , these are gradation to take .

" If you ’re advise that your personal entropy was exposed in a datum breach , act immediately to convert your watchword , add a security alert to your cite theme and consider placing a security freeze on your credit reports,“Experian advises .

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