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Quadrupled State Threats
- MI5 Director General Sir Ken McCallum delivered his annual threat update speech at Thames House in London on Tuesday, Oct 13 2026.
- MI5 has devoted more resources to countering state threats than during the Cold War, and those threats have quadrupled.
- He identified Russia as the number-one aggressor.
- Iran’s hybrid campaign now targets UK military sites, according to McCallum.
- Over 50 Iran-linked individuals were arrested in Britain in the past year.
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