A cyber force is a military branch of a nation's armed forces that conducts military operations in cyberspace and cyberwarfare. The world's first independent cyber force was the People's Liberation Army Strategic Support Force, which was established in 2015 and also serves as China's space force. As of 2022, the world's only independent cyber forces are the PLA Strategic Support Force, the German Cyber and Information Domain Service, Norwegian Cyber Defence Force, and the Singapore Digital and Intelligence Service.

Twenty-Fourth Air Force / Air Forces Cyber (AFCYBER) was a Numbered Air Force within the United States Air Force. The Air Force consolidated its cyberspace combat and support forces into 24 AF. 24 AF was the Air Force component of U.S. Cyber Command.