Taiwan has launched a website to collect intelligence from mainland China, drawing criticism regarding the practicality and effectiveness of the initiative.

Taiwan’s new website for mainland Chinese to securely report intelligence-related information has sparked debate over whether it is workable. The self-governed island’s National Security Bureau (NSB) on Sunday said it had established a “contact window” to collect political, military, economic and social intelligence from mainland China. The bureau said the initiative was modelled on the practices of intelligence agencies in the United States, Britain and Israel. It cited public dissatisfaction.....