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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.