Cyber attack shut down small power plant
A small-scale UK power generator experienced a four-day shutdown due to a cyber attack attributed to Iranian-linked hackers. The government is currently updating resilience strategies to protect energy infrastructure from similar future threats.
Why it matters
This incident highlights the increasing intersection of geopolitical conflict and cyber warfare targeting essential utility services.
Image source, Getty Images By Tom Symonds News correspondent Published 23 August 2026, 03:48 BST A small power plant in the UK was shut down during a cyber attack.
The government said that at no point was there a risk to the UK's energy system, but the Department for Energy Security and Net Zero (DESNZ) has contacted power companies to advise them about the risk of cyber attacks.
The Telegraph reported , external that the attack, which took place last month, was carried out by hackers affiliated to the Iranian regime.
For security reasons, neither the government nor the National Cyber Security Centre, which deals with attacks on critical infrastructure, would give further details of the site affected. However this was not an attack on an essential service such as a large power station.
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