Data report
The State of Data Breaches — November 2025
In November 2025, RecentBreaches tracked 813 data breaches exposing 77.1M records.
813
Breaches tracked
▲ 41 (+5%) vs Oct
77.1M
Records exposed
▲ 20.7M (+37%) vs Oct
783
Critical / high severity
692
Ransomware-linked
85% of breaches
Breaches by sector
| Sector | Breaches |
|---|---|
| Other | 813 |
Biggest breaches this month
| Organization | Records exposed |
|---|---|
| Under Armour | 72.7M |
| Operation Endgame 3.0 | 2.0M |
| Beckett Collectibles | 1.0M |
| International Kiteboarding Organization | 340K |
| Zilvia.net | 288K |
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.