ABC News | Huawei's ban to 5G network 'supported by technical advice', spy agency chief says ABC News The head of Australia's most secretive electronic spy agency has revealed Australia's "entire" emerging 5G mobile communications network could have been threatened if Chinese electronics giant Huawei had not been banned from supplying equipment. Australia's spy chief Mike Burgess warned government about Huawei risk to 5G network ASD chief defends Huawei 5G ban Spy chief defends ban on Chinese tech giant Huawei |