[Breach] Mytheresa — 84,108 accounts exposed

Breached service: Mytheresa Domain: mytheresa.com Accounts exposed: 84,108 Breach date: 2026-04-12 Added to HIBP: 2026-05-27T05:17:45Z Data classes leaked: Email addresses, Names, Partial credit card data, Phone numbers, Physical addresses, Purchases, Salutations Description: In April 2026, the luxury fashion e-commerce platform Mytheresa was listed as a victim of the ShinyHunters "pay or leak" ex