Tiffany Data Breach Impacts Thousands of Customers

Keypoints

• The breach affected Tiffany customers in the US and possibly Canada.
• The attacker accessed sensitive gift card data, including PINs and sales information.
• The incident occurred around May 12, 2025, and involved Tiffany’s own systems.
• It remains uncertain if the breach is linked to the Salesforce campaigns targeting LVMH brands.
• No ransomware group has claimed responsibility or listed Tiffany on their leak sites.