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Inotiv Confirms Data Breach from August 2025 Ransomware Attack

First seen 8 Dec 2025, 08:49 UTC • Bleepingcomputer

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ThreatCluster

Inotiv, an Indiana-based pharmaceutical firm, has confirmed a data breach resulting from a ransomware attack that occurred in August 2025. The company is notifying thousands of individuals whose personal information was compromised, affecting its business operations significantly.

How this analysis works

Attack Flow

10 entities, 24 inferred relationships (STIX 2.1).

Technique (2)

Data Breach
Ransomware

Organization (4)

Court Services Victoria
Inotiv
Lee Enterprises
Yangfeng

Threat Actor (4)

Agenda
Synnovis
Qilin
Qilin Ransomware gang

Relationships

Agenda uses Data Breach
Agenda uses Ransomware
Synnovis uses Data Breach
Synnovis uses Ransomware
Qilin uses Data Breach
Qilin uses Ransomware
Qilin Ransomware gang uses Data Breach
Qilin Ransomware gang uses Ransomware
Agenda targets Court Services Victoria
Agenda targets Inotiv
Agenda targets Lee Enterprises
Agenda targets Yangfeng
Synnovis targets Court Services Victoria
Synnovis targets Inotiv
Synnovis targets Lee Enterprises
Synnovis targets Yangfeng
Qilin targets Court Services Victoria
Qilin targets Inotiv
Qilin targets Lee Enterprises
Qilin targets Yangfeng
Qilin Ransomware gang targets Court Services Victoria
Qilin Ransomware gang targets Inotiv
Qilin Ransomware gang targets Lee Enterprises
Qilin Ransomware gang targets Yangfeng

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Inotiv Confirms Data Breach from August 2025 Ransomware Attack

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Defensive Countermeasures

Extracted Entities

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