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Pharma Firm Inotiv Confirms Data Breach Affecting 9,500+ After Ransomware Attack by Russian Hack-Group Activists Qilin

From August 5 to 8, a pharmaceutical company Inotiv experienced a ransomware attack resulting in more than 9,500 individuals’ data stolen. The attackers gained an unauthorized access to Inotiv’s systems and encrypted certain networks and data. The stolen data includes names, addresses, social security numbers, financial and medical information that belongs to current and former employees, their family members and other individuals who have interacted with the firm. The data was posted on Qilin’s dark web leak site, data size is 176 gigabytes (around 162,000 files). The listing has been removed after the incident though it is unclear if its because the ransom was paid.

Occurrence
2025-08-05
Publication
2025-08-05T09:06:04Z
First observed
2026-09-24T06:09:10.079Z
Review status
Not assessed
Countries
US
Updated
2026-09-27T23:56:59.668Z

E/M/R/S scores

  • EExistence0/4 · Not assessed
  • MIntent0/4 · Not assessed
  • RRussian actor link0/4 · Not assessed
  • SRussian state responsibility0/4 · Not assessed

Facts

No facts

Sources

  1. Role
    discovery_lead
    Date
    2025-08-05T09:06:04Z

    From August 5 to 8, a pharmaceutical company Inotiv experienced a ransomware attack resulting in more than 9,500 individuals’ data stolen. The attackers gained an unauthorized access to Inotiv’s systems and encrypted certain networks and data. The stolen data includes names, addresses, social security numbers, financial and medical information that belongs to current and former employees, their family members and other individuals who have interacted with the firm. The data was posted on Qilin’s dark web leak site, data size is 176 gigabytes (around 162,000 files). The listing has been removed after the incident though it is unclear if its because the ransom was paid.