22 December 2025

U.K. Spy Chief Warns of Acute Russia Threat: The ‘Frontline is Everywhere’

Mark Landler

The new spymaster of Britain’s Secret Intelligence Service warned on Monday that Russia posed an “acute threat” to the West, plotting arson and sabotage operations, assassinations, and cyber and drone attacks across Europe.

“The new frontline is everywhere,” said the chief, Blaise Metreweli, who in October became the first woman to lead the agency, known as MI6, after a career as an intelligence agent. “The export of chaos is a feature, not a bug, in the Russian approach to international engagement,” she said.

In her inaugural speech at the MI6 headquarters, Ms. Metreweli struck an unapologetically dark tone, describing a “new age of uncertainty” in which Russia and other hostile powers use a battery of weapons, from cyber technology to disinformation, to sow discord and disrupt Western democratic societies.

In such a world, Ms. Metreweli said, intelligence agencies need to harness A.I. and other technologies to fight back, by striking alliances in the “wider tech ecosystem” and changing the mentality of intelligence agents.

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