The hack, reported by the Washington Post, took place in January and February and resulted in more than 614 gigabytes of data being stolen. The contractor that was breached was not disclosed but reportedly worked with the Naval Undersea Warfare Center, a research and development group that works on submarines and underwater weapons.
Of particular interest in the treasure trove of stolen documents—all of which government officials said were unclassified, per The New York Times—were details about a project known as Sea Dragon. First proposed in 2012, the Postsaid Sea Dragon is part of a Pentagon initiative to adapt existing US military technologies for new applications. The Defense Department described Sea Dragon as a weapon with “disruptive offensive capability” that will integrate “an existing weapon system with an existing Navy platform.”