Neogen data breach exposes 435,963 accounts
Neogen
Food safety firm Neogen was breached on August 29, 2026, resulting in the public release of about 436,000 email addresses and related corporate contact data. The leaked information comprised employee records, mailing list contacts and personal phone numbers.
why this severityConfirmed breach exposing personal data of over 430k accounts
- first report
- 9 Oct 2026
- last update
- 9 Oct 2026
What to do
Investigate the breach, notify affected users, and improve security controls
Timeline · 1
Sources · 1
News and write-ups
- 2026-10-09Neogen data breach exposes 435,963 accountsHave I Been Pwned · haveibeenpwned.com/Breach/Neogen
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- AI role
- No AI role
- categories
- General security
- severity
- 4 · Confirmed real-world loss
- targets
- Not applicable
- owasp llm top 10
- no entry for these categories
- mitre atlas
- no technique for these categories
- dates
- happened 29 Aug 2026 · first reported 9 Oct 2026
- origin
- News & research feeds
- record
- confidence 0.95 · created 2026-10-26 14:52Z · updated 2026-10-30 03:33Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
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the brief as text
# Neogen data breach exposes 435,963 accounts https://gcdradar.vercel.app/incidents/neogen-data-breach-exposes-435-963-accounts · AIR-2026-1521 · closed 2026-10-23 - Lane: Breaches & attacks - Severity: 4 (Confirmed real-world loss): Confirmed breach exposing personal data of over 430k accounts - Fix status: No fix needed - First reported: 2026-10-09 (happened 2026-08-29) - AI role: No AI role - Products: Neogen ## Summary Food safety firm Neogen was breached on August 29, 2026, resulting in the public release of about 436,000 email addresses and related corporate contact data. The leaked information comprised employee records, mailing list contacts and personal phone numbers. ## What to do Investigate the breach, notify affected users, and improve security controls ## Latest updates - 2026-10-09: Neogen data breach exposes 435,963 accounts (https://haveibeenpwned.com/Breach/Neogen) ## Sources - 2026-10-09 Have I Been Pwned: Neogen data breach exposes 435,963 accounts https://haveibeenpwned.com/Breach/Neogen Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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