The group says it downloaded 4 terabytes of “sensitive” project information including contracts and NDAs.

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Chicago-based solar and wind developer Invenergy said that it has been hacked, following a recent trend in energy-data security breaches. Russia-linked hackers “REvil” claimed involvement in the breach.

The attack was reported June 11 and is the latest in a series of hacks claimed on REvil’s dark web site, including recent attacks on Quanta, a Taiwanese supplier of Apple, and JBS, an industrial meatpacker.

In a blog post, REvil claimed to have downloaded 4 terabytes of “sensitive data” from Invenergy, including projects, contracts, and non-disclosure agreements.

It also claimed to have taken “very personal and spicy” details about billionaire chief executive Michael Polsky from his personal computer.  The attack follows a new hacking trend of “extortionware” focusing on reputational damage rather than operationally sensitive information.

Invenergy said that its operations remain unimpacted by the attack, and no data was encrypted. The company said that it did not intend to pay a ransom.

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