Mr Johnson told his cabinet this week that leaving the EU without a deal should hold “no fear” for Britain, but was he right?

A conspiratorial group of extreme Brexit lobbyists mounted an extraordinary campaign against one of the world’s most prestigious science journals – part of a series of joint investigations between Byline Times and Computer Weekly.

Ministers were today accused by Britain’s intelligence watchdog of failing to probe whether Russia sought to interfere in the EU referendum.

Dossier sets out Moscow-linked cyber threats, influence of Russian money and growth of Kremlin ‘enablers’ in UK.

Long-awaited intelligence committee report says threat from Moscow was ‘badly underestimated’.

The long-awaited Russia report was finally released today - and warns the UK 'took its eye off the ball' of a mounting threat, failing even to look for any interference in Brexit.

‘Efficiency and effectiveness’ at risk as terror threat raised and crime becomes increasingly transnational.

Labour MP alleges Elizabeth Denham was warned by counter-terrorism officers and that ‘her office had to be swept’.

Cooperation vital in the face of twin threats posed by Isis and Russia, warns Andrew Parker

A row has broken out over the publication of an intelligence report into Russian covert actions in the UK, with critics saying Downing Street is stalling on its release until after the election.

There are a grand total of 175 redactions in the report. Here are the key passages that have left us scratching our heads.

Lord Evans says it is 'absolutely vital' for Britain's security to maintain ties to Europol and EU nations.