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Threat Actors & CampaignsEmerging1 sourceAug 23, 2026 · 08:48via Security Affairs

UK Power Plant Disabled for Four Days by Iran-Linked Hackers, Concurrent with US Water Attacks

Brief

Iran-linked hackers shut down a UK power plant for four days in the first confirmed attack of its kind, concurrent with water infrastructure attacks across 12 US states.

Iran-linked hackers shut down a British power plant for four days in what The Telegraph describes as the most successful cyberattack of its kind against UK energy infrastructure.

“Iran shut down a British power plant for four days in an unprecedented cyber attack, The Telegraph can disclose.” reads the report published by The Telegraph. “It is thought to be the first time that hackers affiliated to the Iranian regime have succeeded in closing down such a facility in the UK, and is believed to be the most successful cyber attack of its kind.”

British officials did not name the power plant because of security concerns.

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