The UN occupies premises all over the world, often in dangerous and high-risk locations. With direct attacks against UN premises on the rise, our Physical Security Section (PSS) provides expert advice on the physical security of UN offices to UNDSS security officials in the field, including premises’ assessments, technical specifications, blast vulnerability assessments, post-blast analysis and training in Physical Security. The assessments and technical advice provided by PSS follow international standards and codes to provide the best advice necessary for each premises, in accordance with the Security Risk Management requirements in the area.