Commonly used in political and military contexts.
El espionaje se ha vuelto un tema candente en la política internacional, dado que las filtraciones son cada vez más comunes.
Espionage has become a hot topic in international politics, given that leaks are becoming increasingly common.
El espionaje durante la Guerra Fría reveló secretos que cambiaron el curso de la historia.
Espionage during the Cold War revealed secrets that changed the course of history.