UK Cost of Data Breach Report 2025

Are you ready to get in touch?

Request a Call back

Resources Download Form

Complete this form to download our resources. Once you have submitted it, all other resources can be downloaded without having to complete another form again.

  • This field is for validation purposes and should be left unchanged.

    By providing your details, you agree to be contacted by us. We promise to only use your information within Northdoor and not to pass this to any 3rd party marketing companies. You can opt out at any time. More details can be found in our Privacy Policy .

Download this resource

This resource is available for immediate download

Please click the button below

Download now

Understand the true cost of data breaches in the UK market

UK data breach costs average £3.29 million in 2025. Financial sector breaches cost £5.74 million.
With 29,200 records compromised per incident, discover how AI-powered security solutions reduce costs by 18%.

IBM’s Cost of Data Breach Report 2025, conducted by the Ponemon Institute, is a global study that analysed data from 600 organisations worldwide. These organisations were affected by breaches between March 2024 and February 2025. IBM created this dedicated UK edition by extracting data on 47 British organisations from the global study, revealing the unique threat landscape facing UK businesses. The result is a UK-specific report offering targeted insights for British security and business leaders. These insights are directly relevant to the British regulatory and business environment.

Learn more about the global report.

Cost of a Data Breach Report 2025 UK version

2025 UK insights

Cybercriminals are increasingly targeting UK organisations, driving the average cost of a data breach to £3.29 million in 2025. As digital transformation and AI adoption accelerate, UK businesses face more complex and costly security challenges. These challenges demand a strategic response and investment in robust protection measures.

The IBM Cost of a Data Breach Report 2025: United Kingdom Edition provides exclusive insights into the UK cyber threat landscape, delivering critical intelligence that empowers British security and business leaders to better protect their organisations and minimise financial impact.

This report reveals:

      • UK-specific breach costs across financial services, technology, and other key industries
      •  The £288,864 average cost savings from implementing AI-driven security analytics
      •  How phishing attacks cost UK organisations an average of £3.85 million per breach
      •  Time-to-detection and containment metrics for UK breaches (210 days average lifecycle)
      •  The security impact of cloud storage locations on breach costs and recovery
      •  Cost factors that can increase breach expenses by over £240,000
      •  The role of AI and automation in reducing both costs and response times
      •  Supply chain and third-party vendor breach implications for UK businesses

Access the most up-to-date intelligence on UK-specific data breach costs, including industry benchmarks and regional threat patterns. Discover actionable insights to justify investment, demonstrate ROI, and build more resilient defences.

Ready to strengthen your cyber defences?

The data reveals that organisations with comprehensive security measures can save nearly £300,000 per breach incident. Don’t wait for a costly breach to impact your business.
Contact us today for a comprehensive security assessment and discover how to apply these insights to protect your organisation.

Want to see the global context? Read our summary of the Cost of Data Breach Report 2025 with key global findings and industry highlights.

Our Awards & Accreditations