Mytheresa
- Watch your card and bank statements for unfamiliar charges, and consider requesting a new card number.
- Expect more phishing and spam at this address. Treat messages that reference this company with extra caution.
- Watch for text-message phishing and SIM-swap attempts on your phone number.
- Be wary of targeted scams that use your personal details to sound convincing.
What is the Mytheresa data breach?
In April 2026, the luxury fashion e-commerce platform Mytheresa was listed as a victim of the ShinyHunters "pay or leak" extortion group . After the ransom deadline passed, the group publicly released the data which contained 84k unique email addresses. The...
When did the data breach happen?
This data breach occurred around April 2026.
How many accounts were affected?
Around 84,108 accounts were affected.
What information was exposed?
Exposed data included Email addresses, Names, Partial credit card data, Phone numbers, Physical addresses, Purchases and Salutations.
What should I do if I was affected?
Watch your card and bank statements for unfamiliar charges, and consider requesting a new card number. Expect more phishing and spam at this address. Treat messages that reference this company with extra caution. Watch for text-message phishing and SIM-swap attempts on your phone number. Be wary of targeted scams that use your personal details to sound convincing.