Data report
The State of Data Breaches — September 2025
In September 2025, RecentBreaches tracked 790 data breaches exposing 27.4M records.
790
Breaches tracked
▲ 52 (+7%) vs Aug
27.4M
Records exposed
▲ 14.9M (+119%) vs Aug
705
Critical / high severity
548
Ransomware-linked
69% of breaches
Breaches by sector
| Sector | Breaches |
|---|---|
| Other | 790 |
Biggest breaches this month
| Organization | Records exposed |
|---|---|
| Prosper | 17.6M |
| TransUnion LLC | 4.5M |
| WIRED | 2.4M |
| Motility Software Solutions, Inc. | 767K |
| American First Finance | 689K |
Are you in any of these breaches?
Check your email against 15.4B breach records, free — run a scan on GalaxyWarden.
Check your email against 15.4B breach records, free — run a scan on GalaxyWarden.
Methodology: figures are aggregated from breaches tracked in the RecentBreaches database, grouped by incident month. Free to cite with attribution to RecentBreaches.
Explore the full dataset: all breaches · companies · data studies.