The Ministry of Defense is responsible for security on the political, military and civilian levels. The ministry is structured on building the strength of the Biafran Forces, promotes security research and technology development, supports local industries and more.

The ministry is mandated by Biafran law to publish guidelines for emergency situations, provides support to the citizen.

Military: Biafra Defence Forces are responsible for safeguarding Republic of Biafra's existence, security, and sovereign rights.

• Defence Forces (BDF)
          o Army
          o Air Force
          o Navy
• Intelligence Agency(BIA)

           Director - Head of Security Services
                 o Deputy Director
                 o Head of Director’s Office
                          Operational Division
                                  • Non-Biafra/Biafra
                                          o Yoruba 
                                          o Hausa/Fulani
                                          o Political supervision
                                          o Religious supervision
                                          o Business supervision
                                          o Central Registration
                                          o Research
                                  • Protective Security
                                          o Protection of admin buildings
                                          o Internal Command
                                          o Protection VIP
                                          o Security Information
           Support Division
                   • Coordination and Planning
                           o Counter audio
                           o Admin
                           o Metrology
                           o Training
                           o Security Vetting
                           o Central Registration
                           o Non-Biafran
                   • Operational Support
                           o Technical Support
                           o Airports
                           o Listening devices
                           o Censorship
                           o Special Tax
                   • Technological Support
                           o Electronic/Mechanical/Science/Admin
                   • Legal Council
                           o Constitutional/Courts/Admin
                   • Administration – Finance/Personnel, Communication