Why cyberattacks against critical national infrastructure are increasing

Analysis this month examines why cyberattacks on critical national infrastructure keep rising: greater connectivity, geopolitical tension, ageing systems and the sheer strategic value of disrupting essential services all play a part.

The takeaway

The trend matters to ordinary businesses because CNI runs on a vast web of suppliers. Attackers targeting infrastructure routinely go through smaller, less-defended organisations in the chain to get there.

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Source: ITPro, 18 March 2026.