"The government’s malware disabling commands, which interacted with the malware’s native functionality, were extensively tested prior to the operation," according to the DOJ.

The U.S. Federal Bureau of Investigation, in collaboration with other agencies, has disrupted a botnet that consisted of more than 200,000 consumer devices worldwide.

U.S. law enforcement has disrupted a second major Chinese hacking group nicknamed "Flax Typhoon" and wrested thousands of compromised devices from its grasp, FBI Director Christopher Wray said on Wednesday.

U.S. authorities have thwarted another China-backed botnet, freeing hundreds of thousands of infected devices in the process, FBI Director Christopher Wray said.

The FBI, NSA and other U.S. government agencies detailed a Chinese-government operation that used 260,000 of internet-connected devices to launch cyberattacks.