Cyber-attack closes hospital emergency rooms in three US states

Ardent Health, which oversees hospitals in states including Texas, New Mexico and Oklahoma said it was targeted over Thanksgiving

A cyber-attack has shut down emergency rooms in at least three states, a hospital operator warned on Monday, forcing the organization to divert patients to other facilities.

Ardent Health, which oversees 30 hospitals in states across the US, including New Mexico, Texas and Oklahoma, said it had been targeted by a ransomware attack over the Thanksgiving holiday. The attack had shut down a significant number of its computerized services, the company said in a news release.

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