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  1. Spyware - Wikipedia

    Once targeted advertising began to appear online, advertisers began to develop software that became known as spyware that collected users' personal interests through their browsing habits. Spyware …

  2. What Is Spyware? Definition, Types And Protection | Fortinet

    Spyware is malicious software that enters a user’s computer, gathers data from the device and user, and sends it to third parties without their consent. A commonly accepted spyware definition is a strand of …

  3. What is Spyware? | Definition from TechTarget

    Jan 28, 2025 · Spyware is a type of malicious software (malware) that is installed on a computing device without the end user's knowledge. It invades the device, steals sensitive information and internet …

  4. Is spyware hiding on your phone? The telltale signs to find out (and ...

    Nov 25, 2025 · Spyware can secretly track, record, and steal data from your phone. Watch for strange behavior, data spikes, or unknown apps as signs. Use antivirus tools, update often, and avoid …

  5. What is spyware? How to detect it and protect yourself - Norton™

    Aug 7, 2025 · Spyware is a type of malware that cybercriminals secretly install on your mobile device or computer without your permission. They can then monitor your activity, collect sensitive data like …

  6. What is Spyware | Spyware Removal and Protection | Malwarebytes

    Spyware is a form of malware that hides on your device, monitors your activity, and steals sensitive information like bank details and passwords. Also for Windows, iOS, Android, Chromebook and For …

  7. What is Spyware in Cyber Security? - GeeksforGeeks

    Jul 23, 2025 · Spyware is a type of software that unethically without proper permissions or authorization steals a user's personal or business information and sends it to a third party.

  8. Spyware: What is it, Types, and Prevention | CrowdStrike

    Spyware is a type of malware that covertly infects a computer or mobile device and collects sensitive information like passwords, personal identification numbers (PINs), and payment information.

  9. Spyware | Definition, Examples, & Facts | Britannica

    Nov 20, 2025 · spyware, type of computer program that is secretly installed on a person’s computer or mobile device in order to obtain the owner’s private information, such as lists of websites visited, …

  10. Spyware: What It Is and How to Protect Yourself - Kaspersky

    Spyware is loosely defined as malicious software designed to enter your computer device, gather data about you, and forward it to a third-party without your consent. Spyware can also refer to legitimate …