There is a silent cyber war taking place and no one is talking about it Pentagon imposed emergency shutdown of computer network handling classified material.

https://justthenews.com/government/security/pentagon-imposed-emergency-shutdown-computer-network-handling-classified 

The unprecedented daytime shutdown comes amid recent revelations that other federal agencies, including the Department of Homeland Security, were breached by hackers. The Defense Department alerted employees that the SIPRNET system was being shut down in the late morning for emergency software updates, the sources told Just the News.