Thousands of hotel guests in Las Vegas were locked out of their rooms as MGM Resorts International reported a cybersecurity attack that affected slot machines, room keys, ATMs and computer operations at various MGM properties.
"MGM Resorts recently identified a cybersecurity issue affecting some of the Company's systems," MGM Resorts International wrote on social media on the morning on Sept. 11.
Reports of issues began on the evening of Sept. 10 when guests at various MGM properties shared photos of black-screened slot machines and wrote that they were locked out of their rooms.
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