What hostile intelligence collection method is the process of obtaining a military political commercial or secret information by spies secret agent or illegal monitoring devices?

The hostile intelligence collection method described is known as espionage. This involves the use of spies, secret agents, or illegal monitoring devices to gather sensitive military, political, commercial, or classified information without the consent of the target. Espionage can include tactics such as infiltration, surveillance, and the use of technology to intercept communications. Such activities are often conducted by state actors or organizations seeking to gain a competitive or strategic advantage.