[The US must maintain] the capabilities to use cyberspace as a medium to deter, deny or defeat any adversary seeking to harm U.S. national and economic security; while ensuring actions are undertaken in a manner that protects our Constitutional liberties.[Emphasis is my own]
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The rapid expansion and global dependence upon cyberspace required the Defense Department to evolve its warfighting doctrine to include cyberspace as a viable domain on par with the domains of the land, sea air and space. Cyberspace is unlike the other warfighting domains, it is a man-made technological phenomenon solely reliant upon human activity. The Department of Defense defines cyberspace as 'a global domain within the information environment consisting of the interdependent network of information technology infrastructures, including the Internet, telecommunications networks, computer systems and embedded processes and controllers.
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More than the speed of the communications, the rate of change of cyberspace, and the applications that use it, is continuous, making this domain ever evolving. However, the convergence of communications devices being driven by cyberspace is fueling an integration that has far reaching consequences, both positive and negative, that must be appreciated if one is to understand this domain.
Src: Defending IT: Words from the New Military Cyber Commander | GovInfosecurity.com
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