US Navy undersea warfare plans possibly stolen in a hack

According to a Washington Post report, Chinese government hackers have targeted a Naval Undersea Warfare Center in January and February, stealing 614 gigabytes of data. The stolen materials are related to undersea warfare, including information about missile project Sea Dragon, signals and sensor data, submarine radio room information relating to cryptographic systems, and the Navy submarine development unit’s electronic warfare library. Citing unnamed US officials, Washington Post reported that when aggregated, the stolen materials could be considered classified.