Developer Davis Lu sentenced for sabotage of ex-employer's Windows network
Summary
Hide β²
Show βΌ
A 55-year-old software developer, Davis Lu, was sentenced to four years in prison for embedding malicious code and a kill switch in his ex-employer's Windows network. The sabotage occurred after Lu's termination in 2019, causing widespread disruption and financial losses. Lu worked for Eaton Corporation from 2007 until his termination in 2019. The malicious code included an infinite Java thread loop designed to overwhelm servers and crash production systems. Additionally, Lu created a kill switch that locked out all users when his account was disabled. Lu's actions resulted in significant financial losses and operational disruptions for Eaton Corporation. The sabotage was discovered after Lu's termination, and subsequent investigations revealed his malicious activities. Lu was convicted in March 2025 and arrested in April 2021 for the sabotage.
Timeline
-
22.08.2025 02:46 π° 2 articles Β· β± 25d ago
Davis Lu sentenced for sabotage of ex-employer's Windows network
Davis Lu, a 55-year-old software developer and Chinese national residing in Houston, Texas, was sentenced to four years in prison for embedding malicious code and a kill switch in his ex-employer's Windows network. The sabotage occurred after Lu's termination in 2019, causing widespread disruption and financial losses. Lu worked for Eaton Corporation from 2007 until his termination in 2019. The malicious code included an infinite Java thread loop designed to overwhelm servers and crash production systems. Additionally, Lu created a kill switch that locked out all users when his account was disabled. Lu's actions resulted in significant financial losses and operational disruptions for Eaton Corporation. The sabotage was discovered after Lu's termination, and subsequent investigations revealed his malicious activities. Lu was convicted in March 2025 and arrested in April 2021 for the sabotage. The malicious code was introduced around August 2019 after a corporate realignment in 2018. Lu named the kill switch 'IsDLEnabledinAD' and other malicious code 'Hakai' and 'HunShui'. Lu's actions resulted in hundreds of thousands of dollars in losses for Eaton Corporation. Lu attempted to delete encrypted volumes and Linux directories from his laptop on the day he was asked to return it. Lu's internet search history showed attempts to escalate privileges, hide processes, and delete files.
Show sources
- Dev gets 4 years for creating kill switch on ex-employer's systems β www.bleepingcomputer.com β 22.08.2025 02:46
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
Information Snippets
-
Davis Lu, a software developer, worked for Eaton Corporation from 2007 until his termination in 2019.
First reported: 22.08.2025 02:46π° 2 sources, 2 articlesShow sources
- Dev gets 4 years for creating kill switch on ex-employer's systems β www.bleepingcomputer.com β 22.08.2025 02:46
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
Lu embedded malicious code in Eaton's Windows production environment after a demotion in 2018.
First reported: 22.08.2025 02:46π° 2 sources, 2 articlesShow sources
- Dev gets 4 years for creating kill switch on ex-employer's systems β www.bleepingcomputer.com β 22.08.2025 02:46
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
The malicious code included an infinite Java thread loop to overwhelm servers and crash systems.
First reported: 22.08.2025 02:46π° 2 sources, 2 articlesShow sources
- Dev gets 4 years for creating kill switch on ex-employer's systems β www.bleepingcomputer.com β 22.08.2025 02:46
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
Lu created a kill switch named 'IsDLEnabledinAD' that locked out all users when his account was disabled.
First reported: 22.08.2025 02:46π° 2 sources, 2 articlesShow sources
- Dev gets 4 years for creating kill switch on ex-employer's systems β www.bleepingcomputer.com β 22.08.2025 02:46
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
The kill switch activated upon Lu's termination on September 9, 2019, locking out thousands of users.
First reported: 22.08.2025 02:46π° 2 sources, 2 articlesShow sources
- Dev gets 4 years for creating kill switch on ex-employer's systems β www.bleepingcomputer.com β 22.08.2025 02:46
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
Lu's actions caused significant financial losses and operational disruptions for Eaton Corporation.
First reported: 22.08.2025 02:46π° 2 sources, 2 articlesShow sources
- Dev gets 4 years for creating kill switch on ex-employer's systems β www.bleepingcomputer.com β 22.08.2025 02:46
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
Lu attempted to delete encrypted data from his laptop and researched methods to elevate privileges and hide processes.
First reported: 22.08.2025 02:46π° 2 sources, 2 articlesShow sources
- Dev gets 4 years for creating kill switch on ex-employer's systems β www.bleepingcomputer.com β 22.08.2025 02:46
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
Davis Lu is a 55-year-old Chinese national residing in Houston, Texas.
First reported: 22.08.2025 09:04π° 1 source, 1 articleShow sources
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
Lu was convicted in March 2025 and arrested in April 2021 for the sabotage.
First reported: 22.08.2025 09:04π° 1 source, 1 articleShow sources
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
The malicious code was introduced around August 2019 after a corporate realignment in 2018.
First reported: 22.08.2025 09:04π° 1 source, 1 articleShow sources
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
Lu named the kill switch 'IsDLEnabledinAD' and other malicious code 'Hakai' and 'HunShui'.
First reported: 22.08.2025 09:04π° 1 source, 1 articleShow sources
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
Lu's actions resulted in hundreds of thousands of dollars in losses for Eaton Corporation.
First reported: 22.08.2025 09:04π° 1 source, 1 articleShow sources
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
Lu attempted to delete encrypted volumes and Linux directories from his laptop on the day he was asked to return it.
First reported: 22.08.2025 09:04π° 1 source, 1 articleShow sources
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04
-
Lu's internet search history showed attempts to escalate privileges, hide processes, and delete files.
First reported: 22.08.2025 09:04π° 1 source, 1 articleShow sources
- Ex-Developer Jailed Four Years for Sabotaging Ohio Employer with Kill-Switch Malware β thehackernews.com β 22.08.2025 09:04