<table class="catchall-table"><thead><tr><th>Incident</th><th>Description</th><th>Date</th><th>Sector</th><th>Source</th></tr></thead><tbody><tr><td>Hertz data breach</td><td>Customer data exposed via Cleo file transfer vulnerability affecting 100k+ records</td><td>Apr 1, 2026</td><td>Automotive / Consumer</td><td>bleepingcomputer.com</td></tr><tr><td>NHS supplier ransomware attack</td><td>Synnovis backup systems compromised, patient appointment data affected</td><td>Apr 3, 2026</td><td>Healthcare</td><td>theguardian.com</td></tr><tr><td>Oracle Cloud credential leak</td><td>6M records from SSO infrastructure listed on dark web forum</td><td>Apr 7, 2026</td><td>Cloud / Enterprise</td><td>securityweek.com</td></tr><tr><td>Marks & Spencer cyber incident</td><td>Contactless payment systems disrupted across UK stores</td><td>Apr 10, 2026</td><td>Retail</td><td>bbc.co.uk</td></tr><tr><td>Co-op ransomware attempt</td><td>Back-office and HR systems targeted, staff data at risk</td><td>Apr 14, 2026</td><td>Retail</td><td>ft.com</td></tr><tr class="catchall-blurred"><td>████████████</td><td>████████████████████</td><td>Apr 16, 2026</td><td>████████</td><td>████████</td></tr><tr class="catchall-blurred"><td>████████████</td><td>████████████████████</td><td>Apr 18, 2026</td><td>████████</td><td>████████</td></tr><tr class="catchall-blurred"><td>████████████</td><td>████████████████████</td><td>Apr 20, 2026</td><td>████████</td><td>████████</td></tr></tbody></table>