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,

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

Chinese state-sponsored hackers breached the US Treasury Department, accessing unclassified files on computers of top officials including Secretary Ja