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Unnamed company based in Ohio hit by cyberattack

Incident
First reported
Last updated
Happening score
H score 7
1 unique sources, 1 articles

Summary

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Around August 2019, the unnamed company based in Ohio suffered an insider sabotage incident that caused system crashes and prevented user logins. The malicious code included a kill switch tied to Active Directory credentials so that access changes could trigger lockout behavior. The disruption affected thousands of users globally and created significant operational harm.

Timeline

  1. 22.08.2025 09:04 1 articles · 9mo ago

    Kill switch at unnamed Ohio employer locks out users

    Exploitation Observed

    On September 9, 2019, the software developer's kill switch code named 'IsDLEnabledinAD' automatically activated after he was placed on leave and asked to surrender his company laptop, locking out users in the unnamed Ohio employer's Active Directory environment and contributing to system disruption and deleted coworker profile files.

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  2. 22.08.2025 09:04 1 articles · 9mo ago

    Sentence imposed for sabotage of Ohio employer

    Legal Policy Action Update

    On August 22, 2025, Davis Lu was sentenced to four years in prison and three years of supervised release for sabotaging his former employer's network with custom malware and a kill switch. The affected Ohio company was identified as Eaton Corporation, and the case had earlier reached arrest and charge in April 2021 and conviction in March 2025.

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