https://www.cnet.com/news/china-reportedly-stole-secret-us-war-plans-in-navy-hack/

China hacked a US Navy contractor and accessed details on the Navy's weapons plans -- along with other sensitive information about military tech -- according to a report from The Washington Post.

Unnamed US officials told the Post that hackers took 614 gigabytes of information from the contractor, which was also unnamed. The information was reportedly on an unclassified network. The officials said an investigation into the hack is ongoing.