Command, Control and Communications Countermeasures (C3CM) are focused means to disrupt the enemy's decisionmaking capacity and his command processes.
Layman, Gene A.
"C3CM-A Warfare Strategy,"
Naval War College Review: Vol. 38
, Article 5.
Available at: http://digital-commons.usnwc.edu/nwc-review/vol38/iss2/5