The defence secretary has become the first cabinet minister to speak out against the telecoms giant Huawei amid fears that its involvement in Britain’s next-generation mobile network will enable Chinese spying.
Gavin Williamson said that he had “grave” and “very deep concerns” about the Chinese company providing technology to upgrade Britain’s services to superfast 5G. He indicated that a full review of security risks would be needed as he accused Beijing of acting “sometimes in a malign way”.
His intervention came after the US, New Zealand and Australia — members, along with Britain and Canada, of the Five-Eyes intelligence alliance — banned the company from involvement in their new networks.
Mr Williamson said that Britain should study its allies’ decisions and that closer examination of…