Aerojet Rocketdyne has agreed to pay $9 million to resolve allegations raised by a whistleblower that the aerospace and defense manufacturer misled the federal government regarding its compliance with cybersecurity requirements in certain contracts.

The settlement, announced Friday, resolves a lawsuit brought by former Aerojet employee Brian Markus on behalf of the United States under the qui tam provisions of the False Claims Act. For his part, Markus will receive $2.6 million of the recovery.