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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. Windows Security: Defender Antivirus, SmartScreen, and More

    Protect your privacy, identity, and devices with Windows Security. Explore Windows 11 security features like Microsoft Defender Antivirus that help keep you and your PC safe.

  4. SECURITY Definition & Meaning | Dictionary.com

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

  5. Security - Google Account

    Security To review and adjust your security settings and get recommendations to help you keep your account secure, sign in to your account Sign in

  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. 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. 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.

  9. 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.

  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.