information warfare

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The use and management of information in pursuit of an advantage over an opponent, such as propaganda, disinformation, and gathering assurances that one's own information is accurate.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the use of information or information technology during a time of crisis or conflict to achieve or promote specific objectives over a specific adversary or adversaries