ASTM – American Society for Testing and Materials

BRE – Building Research Establishment

BSI – British Security Institute

CEN – European Committee for Standardisation (Comité Européen de Normalisation)

CPD – Continuous Professional Development

CSE – Catalogue of Security Equipment

NPSA – National Protective Security Authority

CTSA – Counter Terrorism Security Advisor

CWA – CEN Workshop Agreement

HVM – Hostile Vehicle Mitigation

IWA – International Workshop Agreement

JSaRC – Joint Security and Resilience Centre

LPCB – Loss Prevention Certification Board

NaCTSO – National Counter Terrorism Security Office

NPSA – National Protective Security Authority

OR – Operational Requirement

PAS – Publicly Available Specification

PSC– Protective Security Catalogue

PSSA – Protective Security Suppliers Association

RSES – Register of Security Engineers and Specialists

VAW – Vehicle as a Weapon

VBIED – Vehicle Borne Improvised Explosive Devices

VSB – Vehicle Security Barrier