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Threat Actors & CampaignsEmerging1 sourceAug 25, 2026 · 18:45via IT Security Guru

Iran-Linked Hackers Blamed for UK Energy Cyberattack

Brief

A cyberattack reportedly linked to Iran forced a small UK energy generator offline for four days, raising fresh concerns about the security of the country’s critical infrastructure and smaller operators that may sit outside existing regulatory thresholds.

The UK government has confirmed that a small-scale generator was affected by a cyber incident in July. It stressed that the facility represented a tiny proportion of overall generation capacity and that the wider UK energy system was never at risk.

The government has not publicly attributed the attack or named the affected site. However, reports have linked the incident to hackers affiliated with Iran.

Following the incident, the Department for Energy Security and Net Zero (DESNZ) and National Cyber Security Centre (NCSC) have been engaging with energy companies over the cyber threat facing the sector.

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