The National Cyber Security Centre (NCSC) was founded in 2011 and is an operational arm of the Department of the Environment, Climate and Communications (DECC). The NCSC is responsible for advising and informing Government IT and Critical National Infrastructure providers of current threats and vulnerabilities associated with network information security.
The main roles of the NCSC are to lead in the management of major cyber security incidents across government, provide guidance and advice to citizens and businesses on major cyber security incidents, and develop strong international relationships in the global cyber security community for the purposes of information sharing. In the period since 2011, the unit has focused its efforts on building capacity and establishing a stable base for its operational work.