Data Breaches in United Kingdom
63 data breaches have affected organizations headquartered in United Kingdom. This geographic view helps security professionals understand regional threat patterns and compliance requirements. As a major financial center and technology hub, UK organizations are frequent targets for sophisticated attacks.
Organizations operating in United Kingdom must navigate specific regulatory requirements for breach notification and data protection. UK GDPR and the Data Protection Act 2018 require breach notification to the ICO within 72 hours. Understanding the breach landscape in your jurisdiction helps inform incident response planning and regulatory compliance strategies.
Compare breach activity across regions to understand where threats are concentrated. View breaches in the United States, United Kingdom, or explore by industry and incident type. For current activity, see the latest breaches worldwide.
Geographic scope: Breaches are attributed based on the headquarters
location of the affected organization, not the location of data subjects or attackers.
63
Breaches in United Kingdom
| Date | Company | Type | Industry | Country | Severity | Source |
|---|---|---|---|---|---|---|
| Jan 16, 2026 | Eurail Interail Systems | unauthorized access | - | United Kingdom | 5/10 | View |
| Dec 16, 2025 | JLR | unauthorized access | Financial Services | United Kingdom | 5/10 | View |
| Dec 15, 2025 | Victims Sue | unauthorized access | Financial Services | United Kingdom | 6/10 | View |
| Dec 12, 2025 | UK ICO Fines LastPass Over 2022 | unauthorized access | - | United Kingdom | 6/10 | View |
| Nov 29, 2025 | Brsk | unauthorized access | - | United Kingdom | 5/10 | View |
| Nov 24, 2025 | Civil | web app exploit | - | United Kingdom | 5/10 | View |
| Nov 17, 2025 | Unmasked | web app exploit | Government | United Kingdom | 5/10 | View |
| Nov 16, 2025 | Somalia E-Visa System | unauthorized access | - | United Kingdom | 5/10 | View |
| Nov 7, 2025 | Adults Unprepared | unknown | - | United Kingdom | 5/10 | View |
| Oct 31, 2025 | Revealed | web app exploit | - | United Kingdom | 5/10 | View |
| Oct 22, 2025 | Handling | unauthorized access | - | United Kingdom | 5/10 | View |
| Oct 20, 2025 | Ministry | unauthorized access | - | United Kingdom | 5/10 | View |
| Oct 19, 2025 | China | unknown | Government | United Kingdom | 5/10 | View |
| Sep 12, 2025 | Yale | unauthorized access | - | United Kingdom | 5/10 | View |
| Sep 3, 2025 | Full Cost | unauthorized access | Financial Services | United Kingdom | 6/10 | View |
| Aug 28, 2025 | MoD | unauthorized access | - | United Kingdom | 5/10 | View |
| Aug 21, 2025 | UK Patient Data Exposed Amid Clinic | unauthorized access | Healthcare | United Kingdom | 5/10 | View |
| Aug 18, 2025 | Afghans | unauthorized access | - | United Kingdom | 5/10 | View |
| Aug 6, 2025 | Britain | unknown | - | United Kingdom | 5/10 | View |
| Jul 26, 2025 | Afghans | unauthorized access | Government | United Kingdom | 5/10 | View |
| Jul 21, 2025 | Kong | unknown | - | United Kingdom | 6/10 | View |
| Jul 20, 2025 | British Airways Paid | unauthorized access | - | United Kingdom | 5/10 | View |
| Jul 19, 2025 | Into | unauthorized access | - | United Kingdom | 5/10 | View |
| Jul 18, 2025 | Leak | web app exploit | - | United Kingdom | 5/10 | View |
| Jul 18, 2025 | UK Retailer Co-op | unauthorized access | Retail | United Kingdom | 5/10 | View |
| Jul 16, 2025 | Afghans Secretly Resettled | web app exploit | Government | United Kingdom | 5/10 | View |
| Jul 16, 2025 | Afghans Win | unauthorized access | - | United Kingdom | 5/10 | View |
| Jul 16, 2025 | Minister | web app exploit | Government | United Kingdom | 5/10 | View |
| Jul 11, 2025 | Flutter | unauthorized access | - | United Kingdom | 5/10 | View |
| Jul 6, 2025 | Pay | unauthorized access | Government | United Kingdom | 5/10 | View |
| Jun 12, 2025 | Retail | unauthorized access | Retail | United Kingdom | 5/10 | View |
| Feb 23, 2025 | Apple | web app exploit | - | United Kingdom | 5/10 | View |
| Feb 10, 2025 | UK Engineering Firm IMI Cybersecurity | unauthorized access | - | United Kingdom | 5/10 | View |
| Feb 9, 2025 | Secret Order Demands That Apple | unknown | Government | United Kingdom | 5/10 | View |
| Feb 6, 2025 | Mackenzie Financial Corp. and InvestorCO... | unauthorized access | Financial Services | United Kingdom | 6/10 | View |
| Jan 28, 2025 | TalkTalk | unauthorized access | - | United Kingdom | 5/10 | View |
| Jan 7, 2025 | US Treasury Department | unauthorized access | Government | United Kingdom | 5/10 | View |
| Dec 27, 2024 | Deloitte | ransomware | - | United Kingdom | 6/10 | View |
| Dec 17, 2024 | Risk | unauthorized access | Government | United Kingdom | 5/10 | View |
| Dec 9, 2024 | Tyneside Council Apologises | unauthorized access | - | United Kingdom | 5/10 | View |
| Dec 2, 2024 | MoD | unauthorized access | - | United Kingdom | 5/10 | View |
| Nov 25, 2024 | Finastra | insider | Financial Services | United Kingdom | 6/10 | View |
| Nov 6, 2024 | Schneider Electric | insider | - | United Kingdom | 5/10 | View |
| Nov 5, 2024 | British | unauthorized access | - | United Kingdom | 5/10 | View |
| Oct 6, 2024 | UK's Sellafield | unknown | - | United Kingdom | 5/10 | View |
| Sep 30, 2024 | MoneyGram Under Investigation Following | unauthorized access | - | United Kingdom | 5/10 | View |
| Sep 23, 2024 | Harvey | unauthorized access | Financial Services | United Kingdom | 6/10 | View |
| Sep 15, 2024 | Retirement Insurance Affects 370 | unauthorized access | Financial Services | United Kingdom | 6/10 | View |
| Sep 10, 2024 | Avis | unauthorized access | - | United Kingdom | 6/10 | View |
| Jul 31, 2024 | Electoral | unauthorized access | - | United Kingdom | 6/10 | View |
| Jul 19, 2024 | unauthorized access | - | United Kingdom | 5/10 | View | |
| Jun 21, 2024 | Total | unknown | - | United Kingdom | 5/10 | View |
| Jun 5, 2024 | ICBC | unauthorized access | Financial Services | United Kingdom | 5/10 | View |
| May 28, 2024 | Chrome Zero-Day Patched | unknown | - | United Kingdom | 5/10 | View |
| May 16, 2024 | Capita PLC | unauthorized access | - | United Kingdom | 5/10 | View |
| May 13, 2024 | Bucket Left Capita | misconfiguration | - | United Kingdom | 5/10 | View |
| May 8, 2024 | Defence Personnel | unauthorized access | - | United Kingdom | 5/10 | View |
| May 7, 2024 | Details | supply chain | Financial Services | United Kingdom | 6/10 | View |
| May 3, 2024 | UnitedHealth | ransomware | Healthcare | United Kingdom | 6/10 | View |
| Apr 22, 2024 | Scots NHS Patients | unauthorized access | Healthcare | United Kingdom | 5/10 | View |
| Apr 21, 2024 | Pep Boys Suspends Facebook Ads After | unauthorized access | - | United Kingdom | 5/10 | View |
| Apr 16, 2024 | UK Royals | ransomware | - | United Kingdom | 6/10 | View |
| Mar 14, 2024 | Roku | credential stuffing | Financial Services | United Kingdom | 6/10 | View |
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