cyberspace superiority

What is cyberspace superiority?

cyberspace superiority meaning in Military terminology / glossary / dictionary is:
The degree of dominance in cyberspace by one force that permits the secure, reliable conduct of operations by that force, and its related land, air, maritime, and space forces at a given time and place without prohibitive interference by an adversary.
Source: JP 3-12


reference: DOD Dictionary of Military and Associated Terms