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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. 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 Definition & Meaning | Dictionary.com

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

  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.org: Security Doesn't Have to be Complicated

    Our experts teach you everything you need to know about security products & services. Our tools and resources make it easy to compare options and narrow down your choices. Gain the …

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

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

  10. Chief Security Systems: Commercial and Residential Alarms

    Chief Security Systems in Maywood, NJ home security, business security systems, home alarm, burglar alarms, fire alarms, business alarms, card access, music/paging, CCTV.