Question to the Ministry of Defence:

To ask the Secretary of State for Defence, with reference to page 50 of the Defence Investment Plan, published on 30 June 2026, how many of the over 90,000 annual cyber attacks on Defence systems were assessed as (a) serious and (b) successful in the 12 months to September 2026.

Due to operational sensitivities, I am unable to provide a breakdown of the serious and successful cyber-attacks on UK Defence Systems over the last 12 months.