ASTM – American Society for Testing and Materials
CEN – European Committee for Standardisation (Comité Européen de Normalisation)
CPD – Continuous Professional Development
CPNI – Centre for the Protection of National Infrastructure
CTSA – Counter Terrorism Security Advisor
CWA – CEN workshop agreement
HVM – hostile vehicle mitigation
IWA – International Workshop Agreement
JSaRC – Joint Security and Resilience Centre
NaCTSO – National Counter Terrorism Security Office
OR – Operational Requirement
PAS – Publicly Available Specification
PSSA – Perimeter Security Suppliers Association
RSES – Register of Security Engineers and Specialists
VAW – vehicle as a weapon
VBIED – vehicle borne improvised explosive devices
