Investigation of National Affairs

Investigation of National Security Affairs

The Ministry of Justice Investigation Bureau (MJIB) conducts domestic security investigations in accordance with Article 2, Paragraph 10 of the Organic Act of the Ministry of Justice Investigation Bureau, which covers domestic security investigation matters. The objective is to ensure national security, safeguard national interests and protect the well-being of the public. In accordance with the law, the Bureau collects, analyzes, compiles and uses national security intelligence. Key focus areas include:

1. PRC Activities against Taiwan: Investigations into the PRC's united front work, infiltration and intelligence activities against Taiwan.
2. Unfriendly Activities by Foreign Nationals: Investigations into activities intended to destroy the national system, alter the constitution or subvert the government through violence or coercion.
3. Unconstitutional and Illegal Activities: Investigations into activities intended to destroy the national system, alter the constitution or subvert the government through violence or coercion.
4. Nontraditional Security Threat Activities: Investigations into activities affecting national economic interests, financial security and financial order; protection of high-tech secrets related to communications, information, electronics and biochemistry; and protection of intellectual property rights.
5. Social Stability and Public Security Warnings: Investigations into major incidents, sudden developments and major public security warnings; the impact of foreign workers and organized activities on social stability; and the impact of firearms, drugs and organized crime on public security.
6. Other matters: Matters that threaten government operations or affect national security or national interests.