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Incidents involving:

Mytheresa

Data breachResolved

Mytheresa data breach (2026)

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.

Victim
Mytheresa
Records
84.1K