Western intelligence agencies say a Chinese-backed cyber actor has infiltrated critical infrastructure networks in the United States. China's Foreign Ministry said there were reports of the U.S.
government launching long-range cyberattacks against China's critical infrastructure. The Chinese Foreign Ministry spokeswoman Mao Ning said Beijing would take measures to prevent all kinds of cyberattacks that threaten the security of its infrastructure. In a joint warning, cybersecurity authorities in the. United States, Britain, Canada, Australia and New Zealand said they had detected a range of cyber. activities linked to the Chinese-sponsored Volt Typhoon group.