The New Zealand Government Communications Security Bureau (GCSB) is the national authority for Information Systems Security (INFOSEC). INFOSEC, in the government context, is the protection of official information against unauthorized disclosure, manipulation, destruction or alteration. This embraces Communications Security (COMSEC), Technical Security (TECSEC), and Computer Security (COMPUSEC).
GCSB's responsibilities include:
- providing foreign intelligence to support and inform Government decision making;
- providing a 24/7 intelligence watch and warning service to Government;
- ensuring the integrity, availability and confidentiality of official information through information assurance (IA) services to Government; and
- contributing to the protection of critical national infrastructure from cyber threats.
- Security in the Government Sector, at 1-5.