The National Security Advisory Centre (NSAC) was founded in May 2010 in The Netherlands and has extensive expertise in Security Risk Management, Terrorist Threat and Risk Assessments and Mitigation, Business Continuity Management, Insider Threats, Emergency and Crisis Management, IT and SCADA Security, and Disaster Recovery. NSAC supports operators of National Critical Infrastructure, Government Agencies, Municipalities, Industry Associations and Private Companies in protecting critical assets and infrastructures. Marcel Spit is the founder of NSAC and has drafted the first edition of the USMS Security Management Standard. The draft was discussed in detail, reviewed and adjusted by the USMS Standard Review Committee consisting of senior Security professionals including certified Security experts of ASIS International - Benelux Chapter and the Association of Security Professionals of The Netherlands (VBN).