인터넷 사용자의 컴퓨터 활동이나 개인 정보를 몰래 수집하여 제삼자에게 전송하는 소프트웨어 프로그램.
Software that enables a user to obtain covert information about another's computer activities by transmitting data covertly from their hard drive.
예문:
"The user's personal data was compromised by a hidden spyware program."
"Antivirus software can detect and remove most forms of spyware."
"Spyware often tracks browsing habits to display targeted advertisements."