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Highlights

• MI6's first female chief warns of aggressive Russian hybrid warfare including cyber attacks and drone incidents.
• Defence chief Richard Knighton calls for 'whole of society approach' to build national resilience against growing threats.
• New spy chief emphasises technology mastery, urging intelligence officers to be 'as comfortable with computer code as with human sources'.

The new chief of MI6, Blaise Metreweli, will warn of "the acute threat posed by Russia" when she makes her first public speech later today, highlighting hybrid warfare tactics including cyber attacks and drone incidents near critical infrastructure.

Metreweli will describe this as "an acute threat posed by an aggressive, expansionist and revisionist Russia" and warn that "the front line is everywhere".