UK in ‘contest with adversaries who have massive scale’, MI5 boss warns

The video discusses the significant shifts in global threats, focusing on adversaries like Iran, Russia, and China. It highlights the UK's strategies to counter these threats, including intelligence operations and international collaborations. The video also addresses the persistent threat of terrorism, detailing the efforts of MI5 and the police in disrupting attack plots and managing risks from both Islamist and right-wing extremism.

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