phone tapping; wiretapping
Refers to the act of intercepting telephone conversations, typically without consent, for surveillance or espionage.
The police began wiretapping the suspect's phone.
Phone tapping is an invasion of privacy.
盗聴 is a broader term for eavesdropping or wiretapping in general, while 電話盗聴 specifically refers to telephone interception.
Compound of 電話 (telephone) and 盗聴 (eavesdropping, wiretapping).