The median perceived cost of the most disruptive breach or attack was £0 for businesses and £0 for charities, increasing to £30 for medium and large businesses.
| Publisher | Department for Science, Innovation & Technology |
| Report | Cyber security breaches survey 2025/2026 |
| Published | 30 April 2026 |
| Topics | UK, Breach, Breach Consequences, Financial Loss |
Published by Department for Science, Innovation & Technology in Cyber security breaches survey 2025/2026 , 30 April 2026. The figure is taken from the report as published; the full methodology is in the source.