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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 in the Cambridge English Dictionary

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

  4. SECURITY Definition & Meaning - Merriam-Webster

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

  5. SECURITY definition and meaning | Collins English Dictionary

    10 meanings: 1. the state of being secure 2. assured freedom from poverty or want 3. a person or thing that secures,.... Click for more definitions.

  6. SECURITY Definition & Meaning | Dictionary.com

    adjective of, relating to, or serving as security. The company has instituted stricter security measures.

  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. Home | Homeland Security

    3 days ago · U.S. Department of Homeland Security: With honor and integrity, we will safeguard the American people, our homeland, and our values.

  9. A 2025 Guide to Digital Security & Cybersecurity | Stay Safe ...

    Jul 22, 2025 · If you’ve only given digital security a passing thought, it’s time to start getting more serious. As digital security experts with decades of combined experience, we have put …

  10. Security Awareness Hub

    For assistance with Security Awareness Hub, please view the FAQs page.