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  1. Hacker - Wikipedia

    Hackers who work to keep data safe from other hackers by finding system vulnerabilities that can be mitigated.

  2. What Is a Hacker? - Cisco

    A hacker breaks into computer systems. There are hackers who exploit weak security for malicious intent, and ethical hackers who help find vulnerabilities.

  3. Hacker | Definition, Types, & Word Origin | Britannica

    hacker, information technology professionals or enthusiasts who compromise (or “hack”) the security of computers.

  4. Who are hackers? All you need to know about hacking

    Hackers break into computer systems, while refers to activities that seek to compromise digital devices, such as computers, smartphones, tablets, and even entire networks.

  5. What is hacking? - IBM

    Hackers fall into 3 main categories based on their motives and tactics: Malicious hackers (sometimes called “black hat hackers”) are cybercriminals who hack for nefarious reasons, …

  6. What is a hacker? | Definition from TechTarget

    Mar 31, 2025 · What is a hacker? A hacker is an individual who uses computer, networking or other skills to overcome a technical problem. The term also refers to anyone who uses such …

  7. What Is a Hacker? Types, Roles & How to Stay Protected | Huntress

    Aug 5, 2025 · Learn what a hacker is, the different types of hackers, their roles, and how to protect against hacking threats. Stay safe with expert tips to boost your security!

  8. Types of Hackers - GeeksforGeeks

    Jul 11, 2025 · White hat hackers play a crucial role in enhancing security by identifying and fixing vulnerabilities, while black hat hackers pose significant threats through malicious activities.

  9. What is hacking, who are hackers, and how to protect yourself

    Jan 28, 2025 · Hackers are constantly finding new ways to gain unauthorized access to devices and systems. In this guide, we’ll break down the different types of hackers, the techniques they …

  10. What Is a Hacker? - Computer Hope

    Jun 1, 2025 · In reality, most hackers are curious about how computers, hardware, networks, or programs work. When they hack, they are experimenting, innovating, learning, and developing …