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Simpson Manufacturing says it was hit by a cyber attack on Tuesday, is working to investigate

Simpson Manufacturing Co. (SSD), an engineering and building materials producer, said Wednesday it was the subject of a cybersecurity incident on Tuesday that disrupted its IT infrastructure and applications. The Pleasanton, Calif.-based company has hired third-party experts to support a probe and recovery efforts. "The investigation to assess the nature and scope of the incident remains ongoing and is in its early stages," the company said in a regulatory filing. The stock has gained 61% in the year to date, while the S&P 500 has gained 13.5%.

-Ciara Linnane

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10-11-23 0621ET

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