Exposed Data Types
6Email addresses
IP addresses
Names
Partial credit card data
Phone numbers
Salutations
Additional Information
Added DateSeptember 1, 2019
Breach DateAugust 20, 2019
Domainspecials.mastercard.de
SourceLoyalty program breach
Last Content UpdateJuly 18, 2026
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
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