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  1. What is a worm? - Cisco

    A worm is a type of malware or malicious software that can replicate rapidly and spread across devices within a network. As it spreads, a worm consumes bandwidth, overloading infected …

  2. What is a computer worm? How they work and spread - Norton

    Jan 13, 2025 · Computer worms are a dangerous type of self-replicating malware. Here’s a guide to how they work and how to defend against them.

  3. What is a Computer Worm? | CrowdStrike

    How does a computer worm work? Worms target vulnerabilities in operating systems to install themselves into networks. They may gain access in several ways: through backdoors built into …

  4. What is Computer Worm? - GeeksforGeeks

    Jul 23, 2025 · Once a computer is infected, the worm can send itself to the person's contacts, using their email account. This way, it keeps spreading to more and more computers. A …

  5. Worms - Microsoft Defender for Endpoint | Microsoft Learn

    Oct 29, 2024 · A worm is a type of malware that can copy itself and often spreads through a network by exploiting security vulnerabilities. It can spread through email attachments, text …

  6. How Earthworms Work - HowStuffWorks

    Earthworms aren't just good for fish bait. Read about earthworm anatomy, reproduction and life as an earthworm at HowStuffWorks.

  7. Malware 101: Worms and how they propagate - Barrcuda Blog

    Jun 6, 2023 · A worm is a type of malware that copies itself to other devices using network protocols, thus it describes a propagation method. It might propagate via email by sending …

  8. What Is a Computer Worm and How Does It Work? - TechTarget

    Sep 13, 2022 · A computer worm is self-replicating malware that duplicates itself to spread to uninfected computers. Learn more about worms and how to defend against them.

  9. What Is a Computer Worm? | How Do Worms Spread? - Avast

    Jul 22, 2020 · Computer worms infect your computer and spread themselves to other devices. Learn how to detect and prevent computer worms with our expert guide.

  10. What Is a Computer Worm & How Do You Prevent Them?

    Oct 13, 2025 · By definition, a computer worm is a type of malware. Its most distinct feature? Its ability to spread quickly without human interaction. It self-replicates once it gets into your …