Chinese technology is “inherently suspect” and deserves much greater scrutiny, a top US cybersecurity official says, as warnings grow that Beijing’s stranglehold on the electric vehicle market poses a security threat to Western countries.

In an interview with The Australian Financial Review, US Cybersecurity and Infrastructure Security Agency executive director Brandon Wales also flagged that Five Eyes members and other Western nations would step up co-operation to call out cyberattacks and act against adversaries such as China, Russia, Iran and North Korea.