Jonathan Hartwell Wolberg, 31, of Tucson, Ariz., recently admitted having sabotaged his former employer's server in order to cause damage to the company.

Wolberg pled guilty to intentionally causing damage to a protected computer. He was previously indicted on August 22, 2013 by a federal grand jury.

According to the indictment, Wolberg had worked as a systems administrator at a cloud computing services provider in Virginia. He resigned, but continued to access the company's networks in order to damage its servers -- from approximately March 16, 2012 until approximately August 1, 2012, he encouraged the company's customers to change providers, and he logged into the company's servers to shut down a key data server.

As a result, key information, including data used by hospitals for patient care, was inaccessible for several hours, causing hundreds of thousands of dollars in damages.

Wolberg will be sentenced on April 11, 2013. He faces a maximum sentence of 10 years' imprisonment.

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