Cyber espionage is the term that describes the practice of spying on someone to gain access to confidential information. The real target of this cybercrime is usually large businesses and government organizations.
So basically, cyber espionage means that you are pretending to be someone that you aren’t to hide and spy on someone to gain information. You are disguising yourself to hide and gain illicit access to private information about a certain thing that you aren’t supposed to know.