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  1. Security+ (Plus) Certification | CompTIA

    Security+ validates the core skills required for a career in IT security and cybersecurity. Learn about the certification, available training and the exam.

  2. 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 …

  3. SECURITY Definition & Meaning - Merriam-Webster

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

  4. securitas.com

    Looking for a new career opportunity? From frontline security to leadership roles, we offer a variety of career prospects and positions. Discover a path that fits your goals and supports …

  5. Guide to CompTIA Security+ Certification 2025 | Coursera

    Oct 23, 2025 · Learn more about this popular entry-level credential and how to earn it. The CompTIA Security+ certification validates that you have the core skills necessary for a career …

  6. SECURITY | definition in the Cambridge English Dictionary

    SECURITY meaning: 1. protection of a person, building, organization, or country against threats such as crime or…. Learn more.

  7. SECURITY definition and meaning | Collins English Dictionary

    If something is security for a loan, you promise to give that thing to the person who lends you money, if you fail to pay the money back.

  8. 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.

  9. SECURITY Definition & Meaning | Dictionary.com

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

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

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