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spyware

American  
[spahy-wair] / ˈspaɪˌwɛər /

noun

  1. Computers.  software that is installed surreptitiously and gathers information about an internet user's browsing habits, intercepts the user's personal data, etc., transmitting this information to a third party.

    a parent's use of spyware to monitor a child's online activities.

  2. tools that are used to conduct espionage.

    sophisticated spyware that rivals that of the CIA.


spyware British  
/ ˈspaɪˌwɛə /

noun

  1. computing software installed via the internet on a computer without the user's knowledge and used to send information about the user to another computer

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of spyware

First recorded in 1980–85; spy + -ware

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The spyware developed by developed by Israeli cyber-intelligence company NSO has been used around the world to break into the phones and computers of political figures, human rights activists, reporters and even Catholic clergy.

From Seattle Times

The trial was jolted by Israeli media reports that police used sophisticated phone-hacking spyware on a crucial state witness.

From Seattle Times

Last month, a group of U.S. allies called for “strict domestic and international controls on the proliferation” of spyware.

From Washington Post

At least some in the spyware industry see regulation coming down the pipe and are taking steps to try to shape it.

From Reuters

In 2021, Apple announced it would begin sending warnings like this to users whose cellphones had been hacked by sophisticated spyware.

From New York Times