The U.S. Treasury told lawmakers in a letter Monday that it was hit by a cyberattack earlier in December, which the department has attributed to Chinese government hackers. In the letter shared with senior U.S. House lawmakers, which TechCrunch has seen, the Treasury said the hackers gained remote access to certain Treasury employee workstations and had access to unclassified documents, in what it described as a “major cybersecurity incident.” The Treasury said it was notified on December 8 by B...