[1] Moore who had a strong interest in international affairs from growing up in both Libya and Sri Lanka as a child, applied upon leaving university to be a journalist with the BBC World Service but did not get in.

[6] Moore was the first member of the British secret service to openly use X (formerly Twitter), when on 2 October 2020 his tweets from his first day as Chief of MI6 made the news for their humorous hashtags and emojis.

[6][7] On 5 May 2021 Moore announced that MI6 had begun "green spying" to investigate secretly if foreign nations were genuinely keeping to their emission reduction commitments in order to tackle climate change.

[8][9] In February 2021, Moore apologised publicly to MI6 officers who were dismissed from the agency under the ban on LGBT staff prior to 1991, and called the policy "wrong, unjust and discriminatory".

[12] Speaking in November 2024, after the US presidential election, Moore suggested that abandoning Ukraine's war would mean "infinitely higher" longer term costs.

[3] Moore's grandfather Jack Buckley served as a soldier of the Irish Republican Army from 1916 to 1922 in Cork, Ireland, and was awarded a medal by Sinn Féin for fighting against British rule.