Security researchers at Google say hackers targeting corporate executives with extortion emails have stolen data from “dozens of organizations,” one of the first signs that the hacking campaign may be far-reaching.

The tech giant said Thursday in a statement shared with TechCrunch that the Clop extortion gang exploited multiple security vulnerabilities in Oracle’s E-Business Suite software to steal significant amounts of data from affected organizations.

Oracle’s E-Business software allows companies to run their operations, such as storing their customer data and their employees’ human resources files.

Google said in a corresponding blog post that the hacking campaign targeting Oracle customers dates back to at least July 10, some three months before the hacks were first detected.

Or

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