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Inotiv hit by ransomware attack

Incident
First reported
Last updated
Happening score
H score 51
1 unique sources, 2 articles

Summary

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Inotiv said an August 2025 ransomware attack gave a threat actor unauthorized access to its systems between August 5-8, 2025, encrypted some systems and data, and disrupted business operations. The company said it has restored availability and access to impacted networks and systems after taking containment steps, working with external security experts, and notifying law enforcement. Qilin claimed responsibility and alleged exfiltration of 176 GB across 162,000 files, while Inotiv said personal information from 9,542 people was involved.

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Timeline

  1. 19.08.2025 17:25 2 articles · 11mo ago

    Inotiv systems encrypted and business operations disrupted

    Victim Impact Update

    A ransomware intrusion encrypted some of Inotiv's systems and data on August 8, 2025, disrupting business operations and affecting certain networks and systems, including databases and internal applications used in business processes.

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  2. 19.08.2025 17:25 1 articles · 11mo ago

    Inotiv discloses ransomware incident and Qilin claim

    Initial Disclosure

    On August 19, 2025, Inotiv disclosed the August 8 ransomware incident, said it had taken containment steps, started an investigation with external security experts, and notified law enforcement. Qilin also claimed the incident, alleged theft of around 162,000 files totaling 176GB, and posted data samples on its leak site.

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