On Friday afternoon, MGM announced that while some systems were still affected by the attack, 'the vast majority of our property offerings currently remain operational.' The MGM Grand Arena in Las Vegas. MGM employees were still unable to access their corporate emails as of Friday morning, a worker who was not authorized to speak for the company told NBC News. MGM Resorts, which runs many of the most popular casinos and hotels in Las Vegas including the Bellagio, Aria and Mandalay Bay, is still scrambling to recover after hackers significantly disrupted its operations earlier this week, leading to shutdowns on casino floors and hotel guests unable to use key cards to enter their rooms.
