fulcrumsec ransomware group
FulcrumSec is a data extortion group active since approximately September 2025, specializing in high-speed exfiltration of cloud-hosted databases by exploiting unrotated API keys and misconfigured cloud permissions rather than deploying encryption, with known victims including Australian fintech youX and LexisNexis.
- Claims in 7 days
- 0
- Claims in 30 days
- 2
- Reported techniques
- 0
Listings on leak sites are claims by criminals. They are unverified and can be false. coldbraid shows counts here, not names.
Where it claims victims
| Country | Claims in 60 days |
|---|---|
| United States | 1 |
| China | 1 |
Sectors
| Sector | Claims in 60 days |
|---|---|
| Technology | 2 |