The UK’s energy sector is entering a more demanding era of cyber risk. Grid operators are managing ageing operational technology, rapid digitisation, new renewable infrastructure and a threat landscape shaped by geopolitical competition.
This issue encompasses cybersecurity, energy security and sovereignty priority.
The UK government’s Energy Sector Cyber Security Strategy makes clear that the sector is an attractive target for increasingly sophisticated attacks, including advanced capability and state threat actors.
As the energy system becomes more interconnected and digitised, integrating legacy infrastructure with new technologies creates new points of exposure.
Recent research from Bridewell found that 77% of utilities organisations experienced attacks involving outdated software or unavailable patches on legacy equipment in 2025, making it the most common cyber incident facing the sector....
