UK energy companies on alert after ‘Iran-linked hackers’ shut down small power facility

A small power plant in the UK experienced a cyber attack that caused it to shut down for four days, according to recent reports. The government confirmed that there was no threat to the UK's energy system during the incident. The Department for Energy Security and Net Zero (DESNZ) has reached out to power companies to warn them about the potential risks of cyber attacks.

The attack, which occurred last month, was attributed to hackers linked to the Iranian regime. However, neither the government nor the National Cyber Security Centre, responsible for handling attacks on critical infrastructure, provided further details about the specific site affected due to security reasons. The incident targeted a small-scale generator, and the wider energy system was not at risk.

The UK's power network consists of numerous smaller gas generators that serve as backup power sources when needed. Protecting the country's energy supplies is a significant challenge for the government. In response to the increasing threat of cyber attacks, the government is updating its regulations for cyber security and developing a new energy resilience strategy for later this year.

Iran has been recognized as a formidable cyber power, and while there has been little activity from state-linked hackers this year, the Western cyber-security community remains vigilant due to Iran's involvement in conflicts with the US.