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MI5 warns threats surged, state cases quadrupled in decade

By Drooid · Oct 13, 2026, 6:13 PM UTC · How we work

Summary

Story summary

MI5 Director General Sir Ken McCallum warned Britain faces a new era of national security threats.
He said MI5’s state-threat caseload has quadrupled in a decade, now exceeding Cold War levels.
McCallum identified Russia, Iran and China as the primary hostile foreign states targeting the United Kingdom.
MI5 opened an AI Threat Assessment Center to monitor AI-driven cyber, drone and bioweapon risks.

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Story summary

MI5 Director General Sir Ken McCallum warned Britain faces a new era of national security threats.
He said MI5’s state-threat caseload has quadrupled in a decade, now exceeding Cold War levels.
McCallum identified Russia, Iran and China as the primary hostile foreign states targeting the United Kingdom.
MI5 opened an AI Threat Assessment Center to monitor AI-driven cyber, drone and bioweapon risks.