Question to the Cabinet Office:

To ask the Minister for the Cabinet Office, what estimate he has made of the number of cyber security incidents dealt with by (a) GCHQ and (b) the National Cyber Security Centre in each year since 2010.

There have been 480 incidents requiring NCSC coordination since October 2016. The NCSC was established to simplify existing structures, bringing together the cyber security operations and information assurance arms of GCHQ, CERT-UK, the cyber elements of the Centre for the Protection of National Infrastructure (CPNI) and the Centre for Cyber Assessment. Prior to NCSC formation, cyber incidents were recorded via differing means and to a variety of thresholds, and as such, previous figures are not available for comparison.