US Treasury says it was hacked by China in 'major incident'

Chinese state-sponsored hackers broke into the US Treasury Department's systems earlier this month and were able to access employee workstations and some unclassified documents, American officials have said.

The Treasury Department deemed the breach a "major incident" after disclosing it via a letter notifying lawmakers to the incident.

The US agency said it had been working with the FBI and other agencies to investigate the impact of the hack.

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