spy; secret agent; someone who infiltrates an enemy or another country to steal information or engage in sabotage

intelligence or a report obtained through espionage or secret reconnaissance

a network for espionage or spying

(derogatory) A communist spy; specifically refers to agents from the Chinese Communist Party sent to infiltrate Taiwan. Used historically in Taiwan by the Nationalist Party (KMT) during the Cold War era.

To guard against or prevent the activities of spies; anti-espionage

Maintain secrecy and guard against spies.

counter-espionage; counterintelligence; protection against spying or sabotage by foreign agents

an espionage agent or spy working for Taiwan

Taiwan spy; secret agent from Taiwan

espionage warfare; secret intelligence operations; (of films or literature) espionage thriller, often set during the Second Sino-Japanese War

A person professionally employed to secretly gather political, military, or economic information for a government or employer; a spy.

leaked photo of a new product that has not been officially released yet

A conflict between opposing sides using spies to gather intelligence and perform covert operations; an intelligence war

espionage; spying activities

the crime of spying or engaging in espionage

Software that is installed on a computer without the user's knowledge to collect information or monitor activity.