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  1. 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

  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 - 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 …

  4. SECURITY | English meaning - Cambridge Dictionary

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

  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+ (Plus) Certification | CompTIA Global

    Security+ V7 Security+ CompTIA Security+ is the premier global certification that establishes the essential skills required for core security functions and a career in IT security. It showcases …

  7. National Security News: Latest News and Investigations on ...

    Find the latest Homeland Security news, videos and photos on http://www.nbcnews.com. Read national security headlines covering immigration, terrorism, the federal ...

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

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

  9. Customized Security & Guarding Solutions | Securitas USA

    Securitas is a leading provider of custom security & guarding solutions. Explore our protective services, including on-site guarding, mobile patrol, and more.

  10. Security Magazine | The business magazine for security executives

    Security provides security industry news and trends on video surveillance, cyber security, physical security, security guards, risk management, access control and more for security executives and the …