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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. 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.

  5. Security Definition & Meaning | Britannica Dictionary

    SECURITY meaning: 1 : the state of being protected or safe from harm often used before another noun; 2 : things done to make people or places safe

  6. security noun - Definition, pictures, pronunciation and usage notes ...

    Definition of security noun from the Oxford Advanced Learner's Dictionary. [uncountable] the activities involved in protecting a country, building or person against attack, danger, etc. They carried out …

  7. 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.

  8. SECURITY | English meaning - Cambridge Dictionary

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

  9. The United States Social Security Administration

    Apply for Retirement, Disability, or other benefits online. See where you are in your application or appeal process. Find the best way to replace your card. We have answers for your frequently asked …

  10. Security.org: Security Doesn't Have to be Complicated

    Security.org simplifies home security and personal safety. Using cutting-edge research, our experts educate and inspire people to stay safe.