A former sys admin at Medco Health Solutions, one of the US's prescription drug management firms, has been charged over a failed attempt to to destroy its systems using a "logic bomb" computer virus.

Yung-Hsun Lin allegedly planted malware on Medco's systems in October 2003 because of concerns he might lose his job after the firm's spin-off from Merck. When the code failed to launch a year later because of coding flaw, Yung-Hsun (who survived a round of lay-offs) reprogrammed the malware to go off on his next birthday.

At The Register.

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