A recent breach of the US Treasury yielded access to Secretary Janet Yellen's computer along with those of two of her lieutenants, according to inside sources speaking to Bloomberg News reporters.

The US Treasury Department announced in a letter back in December that it had been the victim of a security breach, attributing it to a “China state-sponsored Advanced Persistent Threat actor.” Now we know more about the extent of the hack,

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,