spyware
Spyware (noun) means Software that secretly monitors a computer user's activity and sends the information elsewhere. Example: “The free app turned out to be bundled with spyware.”
How to use spyware
Learner’s notesIn plain EnglishMalicious software that secretly tracks what you do on your computer or phone.
Fill the gap
Can you complete this real example?
The free app turned out to be bundled with _____.
Etymology
A blend of "spy" and "software."