All Breaches
March 31, 2026 Verified Sensitive Record Retail and Streaming

Hallmark Data Breach

The 2026 Hallmark Salesforce dataset first appeared as a threat actor's claim of nearly 8 million Hallmark Cards and Hallmark Plus records.

1.7 Million
Email Identifiers
5
Data Types
Critical
Severity
Yes
Verification

Exposed Data Types

5
Email addresses
Names
Phone numbers
Physical addresses
Support tickets

Additional Information

Added DateApril 12, 2026
Breach DateMarch 31, 2026
Domainhallmark.com
SourceThird-party breach
Last Content UpdateJuly 29, 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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