State-sponsored Chinese hackers reportedly gained access to US Secretary of the Treasury Janet Yellen's computer, first reported by Bloomberg, in a major cybersecurity breach that occurred this past December.

U.S. Treasury Secretary Janet Yellen's computer was hacked and unclassified files were accessed as part of a broader breach of the Treasury Department by Chinese state-sponsored hackers, Bloomberg News reported on Thursday,

According to sources familiar with the breach cited in a Bloomberg report, hackers accessed fewer than 50 unclassified files on Yellen’s device.