National Security Adviser | |
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since 2 December 2024 | |
National Security Secretariat Cabinet Office | |
Reports to | Prime Minister Chancellor of the Duchy of Lancaster |
Nominator | Prime Minister |
Appointer | The King (on the advice of the Prime Minister) |
Term length | At His Majesty's pleasure |
Formation | 2010 |
First holder | Sir Peter Ricketts |
Deputy | Deputy National Security Adviser (DNSA) |
The National Security Adviser (NSA) is a senior official in the Cabinet Office, based in Whitehall, who serves as the principal adviser to the Prime Minister of the United Kingdom and Cabinet of the United Kingdom on all national security issues. The NSA post was created in May 2010 as part of the reforms that also saw the creation of the National Security Council.[1] There have been six holders of the office to date, two of whom served more than three years in the post.[2] Until 2024, the NSA acted as Secretary to the National Security Council, which is chaired by the Prime Minister, and head of the National Security Secretariat in the Cabinet Office.[3] Each National Security Adviser has been supported by at least two Deputy National Security Advisers.