Legacy kit behind vast majority of cyber attacks on utilities

More than three-quarters of utilities organizations were hit by cyber attacks involving outdated software or unavailable patches on legacy equipment over the last year.

At 77%, it was the most common type of cyber incident facing the sector, according to Bridewell’s Cyber Security in Critical National Infrastructure Report 2026.

And the most common effect was IT disruption or outages, affecting 47% of organizations, despite the fact that 99% of respondents described themselves as resilient after their worst cyber attack.

Read more at IT Pro