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Neogen – 435,963 breached accounts

Redpacketsecurity •admin • October 10, 2026

In August 2026, the food and animal safety organisation Neogen was the target of a ShinyHunters “pay or leak” extortion attempt . The group later published data it claimed had been obtained from Neogen. The data consisted largely of corporate records and included 436k unique email addresses from mailing lists, employee records and other contacts.

Published Date: Fri, 09 Oct 2026 07:06:25 Z

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

CyrusOne and Neogen Suffer Major Data Breaches In August 2026, both CyrusOne and Neogen were targeted by the ShinyHunters group in separate 'pay or leak' extortion attempts. CyrusOne reported a breach affecting 373,460 accounts, with data including email addresses, names, and corporate records. Similarly, Neogen experienced a breach impacting 435,963 accounts, with data primarily consisting of corporate records and email addresses. The breaches have raised concerns about the security of sensitive corporate information. Both companies have not confirmed the extent of the breaches or the current status of their investigations. The incidents highlight the ongoing threat posed by ransomware groups using extortion tactics to compromise organizations. 2 sources 52

Extracted Entities

Neogen – 435,963 breached accounts

The full story

Extracted Entities

Attack Types (1)

Companies (1)

CWE Weaknesses (1)