U.S. says China hacked Treasury Dept. in 'major' breach

U.S. says China hacked Treasury Dept. in 'major' breach

Chinese state-sponsored hackers breached the U.S. Treasury Department's computer security guardrails this month and stole documents in what Treasury called a "major incident," according to a letter to lawmakers that Treasury officials provided to Reuters on Monday. This report produced by Freddie Joyner.