U.S. cyber officials are blaming hackers tied to the Chinese government for one of the largest cyberattacks in U.S. history

The FBI and NSA have “high confidence” that hackers contracted by China’s Ministry of State Security carried out the cyberattack on the Microsoft Exchange email server this spring, a breach that exposed tens of thousands of private and public U.S. entities.  Officials say the attack was just one example of Chinese hacker’s use of “ransomware” to threaten […]