World War Three is unlikely to start with a ‘cyber Pearl Harbor’, a catastrophic cyberattack on critical infrastructure.

But if conflict comes to Britain – as suggested by armed forces minister, Al Carns – experts say it may be felt closer to home than on the frontline.

While the government is preparing for the possible outbreak of war, cyber warfare experts argue that the real danger is not a total digital collapse, but disruption to the NHS and supply chains, both in public and private sectors.

Dr Pia Hüsch, research fellow in cyber, technology and national security at RUSI, said Russia’s invasion of Ukraine has taught us an important lesson about the future of warfare.

She told Metro: ‘If you think about a scenario that is a sort of a World War Three full-on war, cyber operations ar

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