Group : Chinese police have required some foreign firms to install Internet monitoring devices . CNN also contacted China 's Minister of Public Security , which oversees local police departments nationwide and has a role in internet security . Companies in Beijing , Hebei and Shandong risk having their internet blocked if they do n't it . They want police to monitor their internet traffic for ' illegal activities ' Analyst : Device could be used to spy on foreign companies for industrial espionage .
Group : Chinese police have required some foreign firms to install Internet monitoring devices . Companies in Beijing , Hebei and Shandong risk having their internet blocked if they do n't it . They want police to monitor their internet traffic for ' illegal activities ' Analyst : Device could be used to spy on foreign companies for industrial espionage .