China hacking threatens US infrastructure, FBI director warns, as Volt Typhoon botnet foiled

Chris Wray tells House committee there has been been far too little public focus on a sleeper cyber threat that affects every American'

US officials say they have disrupted a state-backed Chinese effort to plant malware that could damage civilian infrastructure, as the head of the FBI warned that Beijing was positioning itself to disrupt daily life in America were the US and China ever to go to war.

The operation disrupted a botnet of hundreds of small office and home routers based in the US that were owned by private citizens and companies that had been hijacked by the Chinese hackers to cover their tracks as they sowed malware.