UK Ransomware Tracker
A free, citable dataset of disclosed ransomware and major data-breach incidents affecting UK organisations. Compiled by Firevault from ICO disclosures and verified press reporting. Updated quarterly.
20 UK incidents tracked. Cite as: Firevault UK Ransomware Tracker, fire-vault.com, accessed 22 August 2026.
| Organisation | Sector | Date | Records | Type | Source |
|---|---|---|---|---|---|
| Asahi Group Ransomware attack halted ordering, shipping and call-centre operations across Asahi's European and Japanese businesses, including UK subsidiary Fuller's parent operations. |
Manufacturing / Beverages | 29 Sep 2026 | Production systems disrupted | Ransomware | Reuters |
| Kido International Ransomware group Radiant published photos and profiles of nursery children, including safeguarding notes and parent contact details, in an extortion attempt. |
Education / Childcare | 25 Sep 2026 | Photos and personal data of ~8,000 children | Ransomware and extortion | BBC News |
| Collins Aerospace (RTX) Ransomware attack on Collins Aerospace's MUSE passenger processing software caused widespread flight delays and cancellations at Heathrow and other European airports. |
Aviation / Transport | 20 Sep 2026 | Check-in and boarding disruption across Heathrow, Brussels, Berlin | Ransomware on third-party check-in software | BBC News |
| Jaguar Land Rover Cyber attack halted vehicle production at UK plants for several weeks. Categorised by the Cyber Monitoring Centre as a Category 3 systemic event with estimated economic impact of £1.9bn. |
Automotive / Manufacturing | 2 Sep 2026 | Production and IT systems disrupted | Ransomware | BBC News |
| Lidl GB Customer data exposed via a breach at a third-party marketing supplier. Lidl notified affected customers and the ICO. |
Retail | 11 Jun 2026 | Customer contact data (subset via supplier) | Third-party supplier breach | The Guardian |
| Adidas UK Attackers accessed customer contact information via a third-party customer service provider. No payment data or passwords affected. |
Retail | 27 May 2026 | Customer contact details (subset) | Third-party customer service breach | BBC News |
| Legal Aid Agency (Ministry of Justice) Significant volume of personal data of legal aid applicants stolen, including criminal history, employment status and financial information. Digital service taken offline. |
Government | 19 May 2026 | 2.1 million applicants (financial, criminal, contact data since 2010) | Data breach and exfiltration | gov.uk |
| Peter Green Chilled Ransomware attack on a UK chilled-food distributor supplying Tesco, Sainsbury's, Aldi and M&S caused significant supply chain disruption. |
Logistics / Food supply chain | 14 May 2026 | Order and logistics data | Ransomware | BBC News |
| Co-operative Group Attackers exfiltrated data of all 6.5 million Co-op members. Store systems, payments and stock disrupted across the UK. |
Retail | 2 May 2026 | 6.5 million members (names, contact details, dates of birth) | Ransomware (Scattered Spider) | BBC News |
| Harrods Third UK retailer targeted in a wave of Scattered Spider-linked attacks following M&S and Co-op. Restricted internet access at sites as a precaution. |
Retail | 1 May 2026 | Attempted intrusion, limited disruption | Attempted network intrusion | Reuters |
| Marks & Spencer Ransomware attack disrupted online orders, contactless payments and click-and-collect for weeks. Customer personal data (not payment card or password data) confirmed taken. |
Retail | 25 Apr 2026 | Customer contact details, order history | Ransomware (Scattered Spider / DragonForce) | BBC News |
| Capita plc ICO issued monetary penalty following the 2023 Capita cyber incident that exposed pension scheme member data across multiple UK trustees. |
Outsourcing / Pensions | 10 Mar 2026 | 6.6 million individuals (originally disclosed 2023, ICO fine 2026) | Ransomware / regulatory follow-up | ICO |
| NHS Scotland Further tranche of patient and staff data published by INC Ransom following the 2024 NHS Dumfries and Galloway attack. Confirmed by NHS Scotland and Police Scotland. |
Healthcare | 14 Feb 2026 | Patient and staff records (regional) | Ransomware (INC Ransom) | BBC News |
| Synnovis (Guy's and St Thomas') Further patient data from the June 2024 Synnovis ransomware attack surfaced on leak sites, prompting renewed NHS notifications to affected London patients. |
Healthcare | 22 Jan 2026 | Pathology and patient data (further disclosures) | Ransomware (Qilin) - follow-on | BBC News |
| Royal Mail LockBit ransomware attack disrupted international mail services for 6+ weeks |
Logistics | 2023 | Operations halted | Ransomware | BBC News |
| British Library Rhysida ransomware attack caused £7M in damages and months of disruption |
Public Sector | 2023 | Undisclosed | Ransomware | The Guardian |
| Jaguar Land Rover Luxury car manufacturer targeted in cyber attack |
Automotive | 2025 | Undisclosed | Cyber Attack | Reuters |
| Co-operative Group UK supermarket chain hit by significant cyber attack |
Retail | 2025 | Undisclosed | Cyber Attack | BBC News |
| Marks & Spencer Major UK retailer suffered cyber attack affecting millions of customers |
Retail | 2025 | 9.4M | Cyber Attack | BBC News |
| NHS Scotland | , | 2026 | Undisclosed | Ransomware | Source |
Methodology
Incidents are added when (a) the affected organisation has a UK presence and (b) the breach is confirmed by the organisation, the ICO, or two independent press sources. Data is reviewed and corrected continuously; corrections welcome at research@fire-vault.com.