Thousands of devices used in critical national infrastructure are vulnerable – how can they be secured?



Around the world, critical national infrastructure (CNI) such as transport, energy and essential manufacturing is run on legacy networks. Unlike the fast-moving realm of modern IT environments, the operational technology (OT) underpinning these systems was built to last, with a lifespan usually measured in decades. As a consequence, many of the systems being relied on for CNI have been in use for more than 25 years.

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