Industrial espionage, also referred to as corporate espionage or economic espionage, is the act of secretly obtaining confidential information from another company or organization. There are various synonyms for this term, including business intelligence gathering, trade secret theft, and industrial spying. Other terms include competitor intelligence, industrial spying, and corporate spying. These synonyms emphasize the secretive and often illegal nature of obtaining proprietary information from other businesses. This practice is frowned upon and usually illegal in most jurisdictions as businesses rely on their proprietary information to compete against their rivals. Companies usually employ various measures to secure their sensitive data and prevent industrial espionage from occurring.