British power plant hit by network compromise
Incident
Summary
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A British power plant suffered a cyberattack that shut it down for four days in July 2026, disrupting energy operations. The event was later disclosed on August 22, 2026, with limited detail from official channels including the NCSC. The incident shows that even a relatively small UK energy facility can face multi-day operational disruption from a hostile intrusion.
Related Happenings
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Campaign
H score42
First: 24.08.2026 12:22
Last: 24.08.2026 12:22
Sources 1
How related:
Since the outbreak of the war with US / Israel, Iran affiliated cyber groups have attacked multiple targets in the US (water, critical infrastructure and military-linked assets), Israel (military, government, energy, healthcare, and more), GCC targets in UAE, Bahrain, Kuwait, Qatar, Saudi Arabia, and Europe (Cyprus, Romania and now Britain).
About this happening:
Iran-affiliated cyber groups are running a multi-region campaign that has targeted the US, Israel, the GCC, and Europe since the outbreak of the war with the...
Iran-affiliated cyber campaign targeting the US, Israel, GCC, and Europe
CampaignHow related: Since the outbreak of the war with US / Israel, Iran affiliated cyber groups have attacked multiple targets in the US (water, critical infrastructure and military-linked assets), Israel (military, government, energy, healthcare, and more), GCC targets in UAE, Bahrain, Kuwait, Qatar, Saudi Arabia, and Europe (Cyprus, Romania and now Britain).
About this happening: Iran-affiliated cyber groups are running a multi-region campaign that has targeted the US, Israel, the GCC, and Europe since the outbreak of the war with the...
Unnamed UK power plant hit by network compromise
Incident
H score10
First: 24.08.2026 12:01
Last: 24.08.2026 12:01
Sources 1
About this happening:
An unnamed UK power plant was disabled by Iranian hackers for four days, disrupting operations at a critical infrastructure site. The outage had little impact on t...
Unnamed UK power plant hit by network compromise
IncidentAbout this happening: An unnamed UK power plant was disabled by Iranian hackers for four days, disrupting operations at a critical infrastructure site. The outage had little impact on t...
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Public Sector Action
H score15
First: 15.07.2026 11:48
Last: 15.07.2026 11:48
Sources 1
About this happening:
The UK government expanded the National Risk Register with new cyber-related scenarios, strengthening national planning for disruptions that could affect critical in...
UK government updates National Risk Register and announces resilience campaign
Public Sector ActionAbout this happening: The UK government expanded the National Risk Register with new cyber-related scenarios, strengthening national planning for disruptions that could affect critical in...
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H score38
First: 07.04.2026 21:02
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Sources 1
About this happening:
FBI, CISA, NSA, EPA, DOE, and CNMF issued a joint advisory warning that Iran-affiliated cyber threat actors are targeting internet-exposed industrial systems and *...
FBI/CISA joint advisory on PLC targeting
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Campaign
H score28
First: 17.02.2026 23:31
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Sources 1
About this happening:
A 2025 destructive campaign tied to Electrum and Kamicite combined persistent scanning with attacks that could disrupt industrial and communications infrastructure...
Electrum and Kamicite destructive OT/ICS campaign
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Timeline
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24.08.2026 12:22 2 articles · 11h ago
British power plant hit by network compromise
Initial DisclosureA British power plant was forced offline for four days after a cyberattack in July 2026. The shutdown created immediate operational disruption at an energy facility and raised questions about recovery speed.
Show sources
- Iran-Linked Hackers Shut Down UK Power Plant for Four Days — www.securityweek.com — 24.08.2026 12:22
- Iran-Linked Hackers Shut Down UK Power Plant for Four Days — www.securityweek.com — 24.08.2026 12:22