Learn in the textbookClassifying Threats — Human Wrongdoing and Accidents
DefinitionEavesdropping (盗聴) is intercepting (傍受) data in transit over a communication path such as a network and reading its contents improperly.
ExplanationIf unencrypted communication is intercepted, its contents may be read as they are. If the communication is encrypted beforehand, the contents are hard to read even when intercepted.
AnalogyIt is like tying another string onto a tin-can telephone line to secretly listen in on two people talking.
Memory hookThe character 聴 contains the "ear" radical. Remember it as listening in on an exchange from the side.