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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 News: Cybersecurity, Hacks, Privacy, National Security

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

  5. 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.

  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 Definition & Meaning | Dictionary.com

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

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

    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 together this …

  10. 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.