Noun

(wikipedia cyberspace)

A world of information through the Internet.

(by extension) The internet as a whole.

* {{quote-news

, year=2012 , date=April 19 , author=Josh Halliday , title=Free speech haven or lawless cesspool – can the internet be civilised? , work=the Guardian citation , page= , passage=However, some have accused cyberspace of provoking a dangerous collapse in the old order of civilised society. The shift in the balance of power online has given rise to a more powerful concern: the rise of the uncivil web.}}

(science fiction) A three-dimensional representation of virtual space in a computer network.

* {{quote-book

, year = 1984 , first = William , last = Gibson , authorlink = William Gibson , title = Neuromancer , page = 51 , passage = Cyberspace . A consensual hallucination experienced daily by billions of legitimate operators, in every nation, by children being taught mathematical concepts... A graphic representation of data abstracted from banks of every computer in the human system. Unthinkable complexity. Lines of light ranged in the nonspace of the mind, clusters and constellations of data. Like city lights, receding... }}

Noun

(-)

Military strategy in cyberspace.

*{{quote-news, year=2009, date=June 13, author=Thom Shanker, title=Privacy May Be a Victim in Cyberdefense Plan, work=New York Times citation

, passage=In a recent speech, Gen. James E. Cartwright, vice chairman of the Joint Chiefs of Staff and a chief architect of the new cyberstrategy , acknowledged that a major unresolved issue was how the military ?— which would include the National Security Agency, where much of the cyberwar expertise resides ?—? could legally set up an early warning system. }}