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Hallmark data breach (2026)

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…

Victim
Hallmark
records
1.7M
SectorRetail

Imported from Have I Been Pwned — pending editorial review and translation to French. The summary below is machine-extracted; consult the source for details.

In 2026-03-31, Hallmark was affected by a data breach. Approximately 1,736,520 accounts were exposed. 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…

Sources

  1. haveibeenpwned.comhttps://haveibeenpwned.com/PwnedWebsites#Hallmark
  2. hallmark.comhttps://hallmark.com

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