NCSC is Nationaal Cyber Security Centrum, a Dutch government body under responsibility of the Ministry of Safety & Justice. They are responsible for assisting in security incidents which may pose a threat to the country’s safety. Part of their activities is educating the government agencies on security matters.
NSCS’s website: http://www.ncsc.nl
NCSC’s security bulletins: https://www.ncsc.nl/dienstverlening/response-op-dreigingen-en-incidenten/beveiligingsadviezen (Dutch only)
NCSC’s whitepaper on “Cloud Computing & security” is archived in the Documents-section