But company spokesman Brian Ahern said its 75,000 employees in the U.S. Some MGM Resorts computer systems were still down Thursday, including hotel reservations and payroll. The FBI said an investigation was ongoing but offered no additional information. It also operates properties in China and Macau.Ī company report on Tuesday to the SEC pointed to its Monday news release. MGM Resorts has has about 40 million loyalty rewards members and tens of thousands of hotel rooms in Las Vegas at properties including the MGM Grand, Bellagio, Aria and Mandalay Bay. Customers shared stories on social media about not being able to make credit card transactions, obtain money from cash machines or enter hotel rooms. MGM Resorts said reservations and casino floors in Las Vegas and other states were affected. military-run slot machines earn $100 million a year from service members overseas Mandiant said in a blog analysis published Thursday the group uses SMS text phishing and phone calls to help desks to attempt to obtain password resets or multifactor bypass codes. 'They leverage tradecraft that is challenging for many organizations with mature security programs to defend against,' Carmakal said in a statement. He called the group 'incredibly disruptive and aggressive' in recent targeting of hospitality and entertainment organizations. Scattered Spider also is known as UNC3944, said Charles Carmakal, chief technical officer at cybersecurity firm Mandiant. 'They appear to be native English speakers under the umbrella of a Russia-based operation called ALPHV or BlackCat.' 'Unofficially, we saw a group called Scattered Spider claimed responsibility,' Callow said. sees decline in foster homesīrett Callow, threat analyst for the New Zealand-based cybersecurity firm Emsisoft, said it was not clear if a ransom was paid or who was responsible for the intrusion - and for the attack reported Monday by MGM Resorts. Shots - Health News Kids housed in casino hotels? It's a workaround as U.S.

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