[5] The NSC formalised national security decision making, which had previously been carried out in informal groups largely composed of officials.

[6] It coordinates responses to threats faced by the United Kingdom and integrates at the highest level the work of relevant government entities with respect to national security.

[11] In April 2019, an inquiry, which could lead to criminal proceedings, was announced into the leaking to The Daily Telegraph of a decision by the NSC to allow Huawei to bid for 'non-core' elements of the construction of the prospective 5G network.

[13] Additionally, the NSC met weekly during the ministries of David Cameron and Theresa May, but didn't meet at all between January and May 2020, under Boris Johnson.

[1] The list of Cabinet Committees published 3 November 2022, confirmed the name had been changed back to National Security Council under Prime Minister Rishi Sunak.

[22] By March 2013, Hugh Powell – previously a National Security Secretariat Director – had been promoted to a newly created third DNSA position.

[28] Prior to becoming a deputy National Security Adviser, Jenkins was the military assistant to prime minister David Cameron.

[29] As of April 2017, it was announced that a diplomat, Christian Turner, had replaced Jenkins as the second Deputy National Security Adviser, with a portfolio comprising 'foreign and defence policy.

[36] Although unconfirmed publicly by the UK government, Madeleine Alessandri had replaced Moore as the second deputy national security adviser.

[41] Alessandri has been replaced by Beth Sizeland[42] while Alex Ellis has also been added as a deputy with the title 'Deputy National Security Adviser for the Integrated Review on diplomacy, development and defence'.

[44] As of October 2020, Quarrey has taken over the post of acting NSA while Lord Frost remains Chief Negotiator for the European Union talks.