 The New York Times reported that after the accident, Microsoft pointed out that the technical failure was caused by Microsoft's use of Dunyang Technology, a network security company, to prevent hackers and external access services. The latest update of Dunyang Technology is the root cause of the failure. The chief executive officer of Dunyang Technology, George Hess, said on the social platform X, that the company has found and solved the problem. Dunyang Technology has also sent a repair program to the customer.