
Deerfield Management
Data Breach on September 11, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | deerfield.com | ||
| Threat Actor | INC_RANSOM | ||
| Date Discovered | Sep 11, 2025 | ||
| Description | Deerfield Management Company is an investment firm based in the USA, focused on advancing healthcare through investment, intelligence, and philanthropy; it supports more than 200 private and public companies in therapeutics, medical devices, diagnostics, digital health, and healthcare services. | ||
| Leak Size | Unknown |
Credential Exposure for deerfield.com
We've indexed 87 @deerfield.com accounts from external breaches.
Last checked Aug 16, 2026
| @deerfield.com addresses from external breaches | |
|---|---|
| Third-party breaches | 85 accounts · across 59 breaches · 67 with a plaintext password · most recent Dec 18, 2025 |
| Combo lists | 28 accounts · most recent Aug 6, 2026 |
None of this is necessarily connected to the ransomware attack above.
Is your organization next?
Deerfield Management was breached. Check if your company's credentials have been exposed in this or other data breaches.
Check your exposure →Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.