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Mytheresa

Medium

Mytheresa suffered a data breach in April 2026, exposing customer info in a ransom attack.

Records exposed
84,108 records
Breach date
Breach Apr 12, 2026
Last update
Updated May 27, 2026

What data was exposed?

Fields reported as compromised in this breach record.

Email addressesNamesPartial credit card dataPhone numbersPhysical addressesPurchasesSalutations

Why does this breach matter?

In-depth analysis of the breach and its implications.

In April 2026, Mytheresa, a luxury fashion e-commerce platform, experienced a data breach orchestrated by the ShinyHunters extortion group. Following unmet ransom demands, approximately 84,108 records containing sensitive customer information were disclosed, affecting data such as names, email addresses, phone numbers, physical addresses, purchase history, and partial credit card details.

Impact Analysis

Understanding the scope and consequences of this breach.

User Impact
Individuals may face risk of phishing or identity theft due to exposed personal information.
Business Impact
The breach has likely affected brand reputation and imposed financial costs for response and mitigation.
Affected Sectors
  • E-commerce
  • Luxury Goods
Geographic Impact
  • Global

What You Should Do

Recommended actions to take in response to this breach.

If You Were Affected

  • Monitor financial accounts for unusual activity.
  • Consider identity theft protection service.
  • Be cautious of phishing attempts referring to Mytheresa.

Preventive Measures

  • Limit storing sensitive customer details online.
  • Use encrypted databases for storing personal data.
  • Conduct regular security audits and pen-testing.

Frequently Asked Questions

Common questions about this breach and what it means for you.

Sensitive customer details such as names, email addresses, phone numbers, and partial credit card data were exposed.