A report from the US, UK, Australia, Canada, and New Zealand: China-backed hacking group Volt Typhoon has had access to some key US infrastructure for 5+ years (Sam Sabin/Axios)

Sam Sabin / Axios:

A report from the US, UK, Australia, Canada, and New Zealand: China-backed hacking group Volt Typhoon has had access to some key US infrastructure for 5+ years  —  China-backed hackers have had access to some major U.S. critical infrastructure for “at least five years,” according to an intelligence advisory released Wednesday.