
UN Secretary-General António Guterres during a presser in Nairobi
UNDSS / Chris Kariyo
UNDSS enables the planning and safe conduct of mandates, missions, activities, and programmes of the United Nations system. UNDSS is present in over 125 countries. Security is crucial to all UN programmes, so UNDSS works wherever the UN has a footprint. The two documents below provide detailed information on the background that necessitated the establishment of UNDSS.
- Strengthened and unified security management system for the United Nations.
- Resolution adopted by the General Assembly on 23 December 2004.
Security-Related UN Conventions & Framework
UN Security is underpinned by five main legal documents, outlining the responsibilities of all stakeholders:
- , also (), and ()
- United Nations Security Management System (UNSMS)

UN vehicles surrounded by people fleeing a crisis
UN photo / JC McIlwaine