A long-awaited report from the National Cyber Security Centre (NCSC) into Chinese telecoms firm Huawei has concluded that the hardware manufacturer poses a serious long-term threat to the security of the UK's communications networks.

Huawei has been under scrutiny for some time as questions have been raised about its links to the Chinese government, with countries including the US and New Zealand already placing restrictions on what business the company is allowed to do in those nations.

Some security experts have urged the UK to follow suit, and the new report from NCSC may well give them more ammunition after it highlighted major shortcomings with Huawei's security efforts and noted it can provide "only limited assurance that the long-term security risks can be managed in the Huawei equipment currently deployed in the UK".

While some commentators have speculated that the firm's close relationship with the Chinese government could result in it being used to spy on the UK's communications, the NCSC's report did not find any evidence that Huawei is deliberately adding backdoors or other workarounds that would allow it to carry out espionage.

Rather, the NCSC's concerns surrounded poor security practices at the firm that lead to critical vulnerabilities that pose serious security risks.

It noted there are "significant technical issues" in the firm's engineering processes that will bring "significantly increased risk to UK operators".

"No material progress has been made by Huawei in the remediation of the issues reported last year," the report goes on to state, adding: "It will be difficult to appropriately risk manage future products in the context of UK deployments, until Huawei's software engineering and cyber-security processes are remediated."

Several companies have already warned that an outright ban on the use of Huawei's equipment in the UK would significantly harm the rollout of 5G services, as Huawei is one of the key manufacturers providing hardware for antenna masts and other vital infrastructure.

Responding to the report, Huawei said it took the concerns raised by NCSC "very seriously", and highlighted plans to invest up to $2 billion (£1.52 billion) in improving its capabilities. It also said it would continue to work with UK operators and the NCSC to meet their requirements.

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