An intelligence officer, also known as a spy, secret agent, or operative, is someone who collects and analyzes information for a government agency or organization. Other synonyms for an intelligence officer include a spy master, a field agent, a case officer, or a clandestine officer. These individuals work in intelligence agencies around the world, gathering information on potential security threats, and either preventing or responding to them. A few more terms that are used to describe people in this line of work include espionage agent, information officer, and intelligence analyst. While the job might seem glamorous, it is a high-pressure role that requires a keen eye for detail and a thorough understanding of global politics and security issues.