Government Communications Security Bureau

The Government Communications Security Bureau (GCSB) is a Public Service Department of the New Zealand federal government. It


 * provides foreign intelligence to support and inform Government decision making;
 * provides a 24/7 intelligence watch and warning service to Government;
 * ensures the integrity, availability and confidentiality of official information through information assurance (IA) services to Government; and
 * contributes to the protection of Critical National Infrastructure from cyber threats.