U.S. officials say they have evidence that Huawei has had access to backdoors inside mobile carrier networks for more than 10 years. The Chinese equipment giant has vigorously denied the allegations. Security experts say that 5G supply-chain concerns should be taken seriously whether it s in the context of Huawei or not. The European Union in October warned of the danger that state-backed 5G suppliers could present. The U.K. has given the greenlight to carriers, allowing Huawei gear in the noncore parts of 5G networks.
Source: https://threatpost.com/huawei-5g-security-implications/152926/