Beijing denies involvement in US treasury cyber-attack

Claims a Chinese state-sponsored actor was behind breach this month are groundless', says foreign ministry

Beijing has hit back at accusations that a China state-sponsored actor was behind a cyber breach at the US treasury department, calling the claims groundless".

The breach was orchestrated via a third-party cybersecurity service provider. Hackers were able to gain access to a key used by the vendor to override certain parts of the system, according to a letter the treasury department sent to lawmakers on Monday.