Small UK power generator shut down after cyberattack linked to Iran: Telegraph

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- A small UK power plant was shut down for four days in July following a cyberattack carried out by hackers linked to Iran, according to The Telegraph's Sunday report.
- The incident occurred around the time the FBI, CISA, and EPA publicly warned about malicious cyber actors targeting water facilities across at least seven US states, blaming Iran.
- A UK government spokesperson declined to attribute blame or identify the facility, telling CNBC the wider energy system was never at risk and that the UK has a highly resilient energy system.
- The UK's Department of Energy Security and Net Zero briefed energy CEOs, wrote to companies advising next steps, and said it is updating its cybersecurity regulations in response.
- On August 18, the US Department of Justice charged 17 Iranians with running a "massive cyber theft campaign" on behalf of the Islamic Revolutionary Guard Corps and other Iranian entities.
- In June, Iran's largest cryptocurrency exchange Nobitex was drained of more than $90 million by pro-Israel group Gonjeshke Darande ("Predatory Sparrow"), per blockchain analytics firm Elliptic, which said drained wallets sent funds to addresses bearing anti-government messages referencing the IRGC.
Why it matters: The UK is tightening energy-sector cybersecurity rules and briefing CEOs while publicly withholding attribution on the same actor the US DOJ named in sweeping indictments weeks later. That divergence — allies facing the same threat but responding with opposite transparency — is the concrete operational story beneath the headline.
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