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Developer sabotaged ex-employer with kill switch that activated when he was let go

ID: 2c10c396-f4ad-505d-add0-8be7d1318e85

STIX ID: report--2c10c396-f4ad-505d-add0-8be7d1318e85

Feed Name: The Register (Security)

Threat Score
70/100

Date Published: 2025-03-08

Date Updated: 2026-04-26

Author: Iain Thomson

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A senior Eaton Corporation developer deliberately deployed Java malware and an AD-linked kill switch after being demoted in 2019, causing thousands of employees to be locked out worldwide and inflicting hundreds of thousands of dollars in damage; investigators found source code on a development server, deleted encrypted data on the developer's laptop, and the developer was later convicted.

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