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MI5 chief: AI 'supercharging' UK threats, Russia 'No. 1 aggressor'

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Neutral summary

In his annual threat assessment speech on October 13, 2026, MI5 Director General Sir Ken McCallum warned that artificial intelligence is 'supercharging' security threats to the UK, including the potential for terrorists and hostile states to create new lethal biopathogens. He announced the establishment of a new AI Threat Assessment Centre within MI5 to examine opportunities and risks from rapid AI advancements. McCallum described Russia as the 'number one aggressor' and stated that MI5 is allocating more resources to counter foreign state threats than during the Cold War. He also noted a 'major shift' in Iran's efforts, now targeting harder targets such as military bases, and a rise in threats from right-wing extremists with anti-migrant and anti-Muslim views, calling this the 'most marked trend' of the past year. McCallum said Russia attempted to interfere in the Brexit referendum but without affecting the outcome. Russian officials dismissed the allegations. Sources vary in emphasis: some highlight the Iran threat, others the rise of right-wing extremism, and others cyber threats.

How it was framed

Outlets: 62. Countries: 22. Facts in the shared core: 6.

Publication timeline

  1. · Sky News (outlet profile)

    AI 'supercharging' security threats to UK, MI5 warns. Artificial intelligence (AI) is "supercharging" security threats to the UK, including the potential development by terrorists and states of new killer bioweapons, th…

  2. · iNews (outlet profile)

    UK at growing risk of terror attack with deadly manmade viruses, warns MI5 boss. Sir Ken McCallum, director general of MI5, said AI is 'supercharging' security threats in the UK and meant terrorists could gain the abili…

  3. · The Mirror (outlet profile)

    MI5 spy chief warns of global threats on post-9/11 scale. Britain faces multiple threats from terror, Russia and Iran state attacks, cyber security and evil attempts to push division into our communities, says MI5 chief…

  4. · GB News (outlet profile)

    Artificial intelligence 'may lead terrorists to develop deadly biological weapons', MI5 chief warns. Artificial intelligence is “supercharging” the growth of threats against the UK and, in the wrong hands, could lead to…

  5. · Daily Mail (outlet profile)

    Terrorists are plotting drone attacks in Britain and could kill using bioweapons as AI 'supercharges' threats, warns the head of MI5. Sir Ken McCallum, the head of MI5, warned terror groups may use AI to 'create new pat…

  6. · Belfast Telegraph (outlet profile)

    AI could give terrorists access to bioweapons if guardrails fail – MI5 chief

  7. · Evening Standard (outlet profile)

    AI could give terrorists access to bioweapons if guardrails fail – MI5 chief. Sir Ken McCallum gave his annual speech on threats to the UK at Thames House on Tuesday.

  8. · RTÉ News (outlet profile)

    Iran, Russia ramping up hybrid campaigns in UK, says MI5. Iran is ramping up attempts to hit harder targets such as military sites in Britain while Russia is escalating its hybrid warfare as it lashes out against Ukrain…

  9. · Tanjug (outlet profile)

    Šef britanske službe: Iran i Rusija pojačavaju hibridne kampanje na Britaniju

  10. · Evening Standard (outlet profile)

    Londoners face new AI bioweapons terror danger: Key points from MI5 Director General’s threat speech. Director General Sir Ken McCallum gave his annual threat speech in Thames House on Tuesday morning, where he warned t…

  11. · Politico Europe (outlet profile)

    MI5 to step up on AI threats amid bioweapon risk. MI5 has launched the AI Threat Assessment Centre to help Britain respond to state threats, terrorism and bioweapons.

  12. · Al-Monitor (outlet profile)

    Iran and Russia ramping up hybrid campaigns in Britain, UK spy chief says. By Michael Holden LONDON, Oct 13 (Reuters) - Iran is ramping up attempts to hit harder targets such as military sites in Britain while Russia is…

  13. · Al-Monitor (outlet profile)

    Iran and Russia are stepping up hybrid campaigns in Britain, UK spy chief says. By Michael Holden LONDON, Oct 13 (Reuters) - Iran is stepping up attempts to hit harder targets such as military sites in Britain and Russi…

  14. · Guido Fawkes (outlet profile)

    MI5 Chief Issues Less-Than-Subtle Slapdown of Burnham’s Brexit Claims. Sir Ken McCallum, Director General of MI5, has said today: “I’m a little bit worried that if we all stay in this debate for another few…

  15. · The Washington Post (outlet profile)

    U.K. intelligence chief warns Iran is shifting plots to ‘harder targets’. In annual speech on threats, Ken McCallum, the head of MI5, cited a “major shift” in Tehran’s “ambitions” to attack military sites and other high…

  16. · ТАСС (outlet profile)

    Глава МИ-5 назвал Россию "агрессором номер один" для Британии. По словам Кена Маккаллума, контрразведка тратит больше сил на противодействие внешним угрозам, чем во времена холодной войны

  17. · Meduza.io (outlet profile)

    «Агрессор номер один». Глава MI5 заявил, что Россия ведет «гибридную войну» в Европе — на фоне минимальных успехов в Украине. Британская контрразведка сейчас выделяет больше ресурсов противодействию государственным угро…

  18. · Onet Wiadomości (outlet profile)

    Szef MI5: nie chcę brzmieć jak panikarz, ale terroryści mogą wkrótce być w stanie użyć broni biologicznej. Poza ostrzeżeniem dotyczącym zamachów z użyciem dronów wspieranych przez sztuczną inteligencję dyrektor brytyjsk…

  19. · Insajder (outlet profile)

    Šef britanske službe: Iran i Rusija pojačavaju hibridne kampanje na Britaniju. Iran pojačava pokušaje da nanese teže udarce ciljevima kao što su vojne lokacije u Velikoj Britaniji, dok Rusija eskalira svoj hibridni rat…

  20. · Lenta.ru (outlet profile)

    Глава MI5 сделал заявление о противостоянии России

  21. · South China Morning Post (outlet profile)

    MI5 chief warns Iran is targeting military sites in UK as hostile state threats surge. Iran is trying to hit military sites in the UK and the suspected plot to attack a US-run military airbase in September was “not uniq…

  22. · Daily Mail (outlet profile)

    MI5 boss warns the debate on Russian interference in the Brexit vote risks empowering Kremlin trolls. Head of MI5 Sir Ken McCallum waded into the row today after the Prime Minister said in a podcast he had been told 'cl…

  23. · Evening Standard (outlet profile)

    MI5 chief warns against amplifying Russian propaganda over Brexit referendum row. Sir Ken McCallum said it was openly documented that Russia sought to interfere in the 2016 referendum following a row over Andy Burnham’s…

  24. · Belfast Telegraph (outlet profile)

    MI5 chief warns against amplifying Russian propaganda over Brexit referendum row

  25. · Times of India (outlet profile)

    Iran seeking to expand attacks in UK to military sites, MI5 chief warns. Iran is reportedly increasing its focus on military targets in Britain, including RAF Fairford. The suspected plot against the air base has prompt…

  26. · The National (UAE) (outlet profile)

    UK intelligence chief warns of 'major shift' after Iran attacks military bases

  27. · BBC (русская служба) (outlet profile)

    Глава британской контрразведки MI5 назвал Россию «агрессором номер один». Сэр Кен Маккаллум сообщил, что объем проблем, которые доставляют иностранные государства, в последние годы вырос вчетверо.

  28. · Euronews (outlet profile)

    Russia remains 'aggressor number one,' UK's MI5 spy agency chief warns in threat update. Ken McCallum said the ramp up in alleged Russian hybrid attacks across Europe had come as Russia's military progress in Ukraine wa…

  29. · The Mirror (outlet profile)

    'MI5 physically and mentally fighting terrorism in the shadows - but there is a tougher battle for us all'. OPINION: MI5 warns it is under the same pressure and changes as the post 9-11 period and we should heed the war…

  30. · B92 (outlet profile)

    Rusija i Iran pojačavaju hibridni rat protiv Britanije; MI5 digao uzbunu. Iran pojačava pokušaje da nanese teže udarce ciljevima kao što su vojne lokacije u Velikoj Britaniji, dok Rusija pojačava svoj hibridni rat napad…

Factual core

  • MI5 chief Sir Ken McCallum warned of threats to the UK from Russia, Iran and AI.
  • Ken McCallum, the head of British counterintelligence service MI5, called Russia the number one aggressor.
  • The rise of state threats was addressed by MI5 chief Ken McCallum.
  • Iran is now focusing on attacking harder targets, such as military bases, in the United Kingdom.
  • Iran and Russia are intensifying hybrid campaigns against Britain, according to the head of MI5.
  • The threat involves terrorists potentially using AI to develop manmade viruses.

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