Signals Intelligence (SIGINT) Explained for Civilians

Tradecraft lives in the spaces you cannot see. Your phone speaks to towers, your watch speaks to your phone, and your car speaks to the street. Signals never stop moving, and people make choices inside that flow all day. This piece explains signals intelligence in plain terms and shows how a civilian can read the picture, lower exposure, and keep control without crossing a line.

You do not need secret gear to understand signals. You need a clear map of what talks around you, the discipline to reduce noise, and a quiet log that turns hunches into facts.