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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? | Definition from TechTarget

    Mar 31, 2025 · Learn what hacking is, the different types of hackers and common hacking techniques in order to keep your organization secure from cybercrime.

  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? - 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 …

  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 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 …

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

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

  8. The Hacker News | #1 Trusted Source for Cybersecurity News

    Cybersecurity researchers have flagged a new security issue in agentic web browsers like OpenAI ChatGPT Atlas that exposes underlying artificial intelligence (AI) models to context poisoning …

  9. What is a Hacker - huntress.com

    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 a Hacker? Legality, Types & Tools - SentinelOne

    Jul 29, 2025 · Hackers possess a variety of computer skills related to cryptography, programming, networking, and social engineering. They understand how human behaviors work, user …