---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-040658"
form_type: "8-K"
ticker: "NOTV"
cik: "0000720154"
company_name: "Inotiv, Inc."
filed_at: "2025-08-18T23:59:59+00:00"
generated_at: "2026-05-17T12:13:08.796214+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Inotiv reports ransomware attack encrypting systems; business operations disrupted

## Summary
- Threat actor gained unauthorized access and encrypted certain company systems on August 8, 2025.
- Company engaged external cybersecurity specialists, notified law enforcement, and is restricting system access.
- Incident has caused temporary disruptions to business operations; company using offline alternatives to restore functions.
- Full scope, nature, and operational/financial impacts of the incident are not yet known.
- Timeline for full restoration of affected systems is currently unknown.

## SEC filing metadata
- accession: 0001628280-25-040658
- form_type: 8-K
- ticker: NOTV
- cik: 0000720154
- company_name: Inotiv, Inc.
- filed_at: 2025-08-18T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/720154/000162828025040658/0001628280-25-040658-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/720154/000162828025040658/notv-20250808.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-040658
- JSON: https://secwatch.observer/filing/0001628280-25-040658.json
- Plain text: https://secwatch.observer/filing/0001628280-25-040658.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.