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A Chinese national living in Texas was sentenced on Thursday to four years in prison and three years of supervised release for installing malicious code on his former employer’s systems, including a "kill switch" that locked workers out when his account was disabled.

Davis Lu — a 55-year-old man residing legally in Houston — was convicted in March of intentionally damaging protected computers while working as a software developer for the Ohio-based company, according to a news release from the U.S. Department of Justice .

CHINESE CITIZEN ADMITS STEALING US TRADE SECRETS FOR NEXT-GENERATION NATIONAL SECURITY TECH

The cyberattack resulted in the company losing hundreds of thousands of dollars, as noted in the release.

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