This report presents a summary of studies, results and usefulness to the MFA within the FOI research area International Security. The activities have been directed towards support to disarmament negotiations, export controls and verification within the N, B and C areas. Nuclear weapons: FOI continues to prepare a national data center (NDC). This includes seismic detection, collection of xenon gas, and filtering of radionuclides. Support has been given to CTBT and and other disarmaments limitations. Biological weapons: Support has been given to the negotiations on a verification protocol to the biological and toxin weapons convention, the Australia Group and export control issues. Chemical weapons: support has been given to the Australia Group and export control issues. In addition, the verification laboratory has continued under the convention on chemical weapons. Other support: Support has been given to the MTCR (Missile Technology Control Regime) and the Hague Code of Conduct Against Missile Proliferation (HCOC).