verified2026-03-31
HallmarkHallmark breach
hallmark.com · 1,736,520 records compromised
Records
1.74M
Breach date
2026-03-31
Domain
hallmark.com
Data classes
5
Description
In March 2026, Hallmark suffered an alleged breach and subsequent extortion after attackers gained access to data stored within Salesforce. The data was later published after the extortion deadline passed, exposing 1.7M unique email addresses across both Hallmark and the Hallmark+ streaming service, along with names, phone numbers, physical addresses and support tickets.
Compromised data classes· 5
Email addressesNamesPhone numbersPhysical addressesSupport tickets
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.