The threat to UK critical national infrastructure (CNI) is elevated and evolving due to the Iran conflict.

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Indirect cyber threats, transmitted through regional supply chains and overseas assets, can ripple directly into domestic infrastructure, causing operational disruption, reputational damage, and financial cost.

UK organisations embedded in the Middle East or relying on connected logistics, energy, or transport networks are particularly exposed, and the current environment is more volatile, opportunistic, and permissive of destructive activity than at any time in recent years.

The ripple effect of indirect attacks

During increased tensions throughout 2026, the regional operating environment has become more volatile and emotional. In such a climate, attackers are more likely to seize opportunistic openings, exploiting low-hanging fruit wherever it exists.

This is precisely why the NCSC has........

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