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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

    Hackers breach defenses to gain unauthorized access into computers, phones, tablets, IoT devices, networks, or entire computing systems. Hackers also take advantage of weaknesses in network …

  3. 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.

  4. 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 abilities to …

  5. 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.

  6. 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 new …

  7. What Is Hacking? Types of Hacking & More | Fortinet

    Learn about the types of hackers, vulnerable devices to hacking, and hack prevention tips. A commonly used hacking definition is the act of compromising digital devices and networks through unauthorized …

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

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

  9. 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!

  10. What is hacking, what does a hacker do, and why? - Norton™

    May 16, 2025 · In this guide, we’ll break down the meaning of hacking, what a hacker is, different types of hackers, the techniques they use, and how strong digital security can help you protect against …