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Threat Actors & CampaignsEmerging1 sourceAug 27, 2026 · 08:25via CSO Online

Critical infrastructure’s long, undefended tail exposed by UK energy attack

Brief

A cyberattack that forced a small British electricity generator offline for four days caused no power outage, threatened no part of the national grid, and may not even have been carried out by the Iran-linked hackers initially blamed. But the incident illustrates a consequential weakness in Western critical infrastructure.

Thousands of small generators, water systems, and other industrial sites have aging operational technology — exposed programmable logic controllers, cellular modems, remote management systems — connected to the internet without the security programs protecting their larger counterparts, leaving easy targets during a period of geopolitical conflict.

British newspapers reported that Iran-linked hackers attacked the unidentified generator in July.

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