Deerfield Management

Deerfield Management

Data Breach on September 11, 2025
Data Breach Report
Victimdeerfield.com
Threat ActorINC_RANSOM
Date DiscoveredSep 11, 2025
DescriptionDeerfield 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 SizeUnknown

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 breaches85 accounts · across 59 breaches · 67 with a plaintext password · most recent Dec 18, 2025
Combo lists28 accounts · most recent Aug 6, 2026

None of this is necessarily connected to the ransomware attack above.

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