5 June 2025, 09:40

By Jesper Olsen

The UK's Critical National Infrastructure (CNI), which encompasses essential services such as electricity, gas, water, transport and healthcare, is under constant threat from cyberattacks and many of these organisations are struggling to protect themselves.

The potential consequences of a successful cyberattack on CNI are severe, including widespread disruption of essential services and potential risks to public safety.

Alarmingly, these threats are pervasive: over three-quarters (76%) of UK industrial organisations , including those responsible for parts of UK infrastructure, have experienced cyberattacks. More than 27% of these organisations have suffered operational shutdowns as a direct result.

In fact, the UK is the most targeted country in Europe when it comes to cyberattacks, showing the scale of the challenge.

The majority of threat actors targeting critical infrastructure in developed nations are state-sponsored. For example, in May 2023 critical infrastructure in Denmark was impacted by one of the biggest cyberattacks in the country’s history.

The incident involved 22........

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