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  1. Security - Wikipedia

    Security is protection from, or resilience against, potential harm (or other unwanted coercion). Beneficiaries (technically referents) of security may be persons and social groups, objects and …

  2. SECURITY Definition & Meaning - Merriam-Webster

    The meaning of SECURITY is the quality or state of being secure. How to use security in a sentence.

  3. Security+ (V7) Practice Questions | CompTIA Certifications

    Get a set of free practice test questions for your CompTIA Security+ (V7) certification exam.

  4. News - Homeland Security

    News and important communications from the Department of Homeland Security.

  5. What is Security? | Definition from TechTarget

    May 30, 2025 · Security in IT is the method of preventing, defending and mitigating cyberattacks. Learn the different types of security and the best security principles.

  6. SECURITY Definition & Meaning | Dictionary.com

    SECURITY definition: freedom from danger, risk, etc.; safety. See examples of security used in a sentence.

  7. Security News: Cybersecurity, Hacks, Privacy, National ...

    Get in-depth security coverage at WIRED including cyber, IT and national security news.