MI5 Chief Warns of Escalating Hybrid Threats From Iran and Russia on British Soil

The head of Britain’s domestic security agency accused Tehran and Moscow of escalating their hybrid campaigns in the U.K., and called Iran-led attacks on Jewish communities “sickening.”

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MI5 Chief Warns of Escalating Hybrid Threats From Iran and Russia on British Soil

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Sir Ken McCallum says more is being done to tackle state threats than since the Cold War - and warns AI could be used to develop drones and potentially bioweapons.

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NYT Published 13 October 2026

MI5 Chief Warns of Escalating Hybrid Threats From Iran and Russia on British Soil

BBC Published 13 October 2026

MI5 chief warns of threats to UK from Russia, Iran and AI

Sir Ken McCallum says more is being done to tackle state threats than since the Cold War - and warns AI could be used to develop drones and potentially bioweapons.

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