Hallmark Cards, Inc. & Hallmark Plus — Ransomware Incident Claimed by ShinyHunters
- Victim: Hallmark Cards, Inc. & Hallmark Plus
- Claimed by ShinyHunters
- Date claimed: 2026-03-31
- Country: US
- Sector: Consumer Services
ShinyHunters listed Hallmark Cards, Inc. & Hallmark Plus, a Consumer Services organization, as a victim on its data-leak site (2026-03-31).