Six "mega-breaches" accounted for more than 1.4 billion of the 1.7 billion victim notices issued in 2024.
| Publisher | Identity Theft Resource Center |
| Report | 2024 Annual Data Breach Report |
| Published | 1 January 2025 |
Published by Identity Theft Resource Center in 2024 Annual Data Breach Report, 1 January 2025. The figure is taken from the report as published; the full methodology is in the source.