Chinese hackers infiltrated plane, train and water systems for five years, US says

A group known as Volt Typhoon, geared toward sabotage, quietly burrowed into critical US infrastructure networks

An advanced group of Chinese hackers taking aim at critical US infrastructure has been active for as long as half a decade, American and allied intelligence agencies said in a joint statement on Wednesday.

The US National Security Agency, US cyber watchdog CISA, the FBI and the Transportation Security Administration said that the group known as Volt Typhoon had quietly burrowed into the networks of aviation, rail, mass transit, highway, maritime, pipeline, water and sewage organizations.