SIGINT, or Signals Intelligence, refers to the intelligence-gathering process involving the interception and analysis of electronic signals. This can include communications between people (COMINT) or from other sources. SIGINT is used by various organizations, particularly the military, to understand their opponents' activities and intentions, and it plays a crucial role in providing a better understanding of potential threats and adversaries' capabilities and intentions
. In the context of Linux, SIGINT is also the signal sent when the user presses Ctrl+C, typically used to request the interruption of a process