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

https://mins.news/en/item/98525

- BBC News, 2026-10-13 15:52 UTC
- World
- Original: https://www.bbc.co.uk/news/articles/c60rl5vwpk02o?at_medium=RSS&at_campaign=rss

> MI5 chief Ken McCallum says threats from foreign adversaries have quadrupled over the past decade, naming Russia as the leading aggressor and citing increased Iran-linked activity against Jewish sites and military bases. He says counter-terrorism and state-threat work are now roughly equal in scale, while AI is intensifying the cyber-security contest.

## Related coverage

- [MI5 chief says Britain devotes more resources to state threats than during Cold War, calls Russia ‘aggressor number one’](https://mins.news/en/item/98408) — Meduza, 2026-10-13
- [MI5 chief warns Russia remains ‘aggressor number one’ in threat update](https://mins.news/en/item/98139) — euronews, 2026-10-13
- [MI5 chief warns of threats to UK from Russia, Iran and AI](https://mins.news/en/video/98144) — BBC News, 2026-10-13
