To ask the Secretary of State for Defence, pursuant to the Answer of 19 January 2023 to Question 122045 on National Security: Cybersecurity, how much of the whole life cost of the Joint Crypt Key Programme will be funded by (a) his Department and (b) the National Cyber Security Centre.

As a Ministry of Defence-sponsored programme, the Joint Crypt Key Programme is almost entirely funded by the Ministry of Defence. Less than one per cent of programme whole-life costs are drawn from other Departments.