https://phys.org/news/2018-12-stymie-huawei.html

None has released evidence of wrongdoing by Huawei, which denies it is a risk and has operated a laboratory with Britain's government since 2010 to conduct security examinations of its products. But the accusations, amid rising tension over Chinese technology ambitions and spying, threaten its ability to compete in a sensitive field as carriers prepare to invest billions of dollars.

"This is something that's definitely concerning Huawei at this stage, because there is a political angle to it and a business angle," said Nikhil Bhatra, a senior researcher for IDC.