Concerns over Chinese involvement in 5G wireless networks stem from allegations that cellular network equipment sourced from Chinese vendors may contain backdoors enabling surveillance by the Chinese government (as part of its intelligence activity internationally) and Chinese laws, such as the China Internet Security Law, which compel companies and individuals to assist the state intelligence agency on the collection of information whenever requested. The allegations came against the backdrop of the rising prominence of Chinese telecommunication vendors Huawei and ZTE in the 5G equipment market, and the controversy has led to other countries debating whether Chinese vendors should be allowed to participate in 5G deployments.