(Tech Crunch) – China-backed hackers have maintained access to American critical infrastructure for “at least five years” with the long-term goal of launching “destructive” cyberattacks, a coalition of U.S. intelligence agencies warned on Wednesday.

Volt Typhoon, a state-sponsored group of hackers based in China, has been burrowing into the networks of aviation, rail, mass transit, highway, maritime, pipeline, water and sewage organizations — none of which were named — in a bid to pre-position themselves for destructive cyberattacks, the NSA, CISA and FBI said in a joint advisory published on Wednesday. (Read More)