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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

    A security referent is the focus of a security policy or discourse; for example, a referent may be a potential beneficiary (or victim) of a security policy or system. Security referents may be persons or …

  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 | 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.

  5. What is Security? | Definition from TechTarget

    May 30, 2025 · IT security consists of two areas: physical and information. What is physical security? Physical security is the protection of people, hardware, software, network information and data from …

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

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

  7. SECURITY Definition & Meaning | Dictionary.com

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

  8. security noun - Definition, pictures, pronunciation and usage ...

    Definition of security noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  9. Trump's National Security Strategy: Five key takeaways

    Dec 5, 2025 · President Trump released his national security strategy late Thursday night with a focus on building up a larger military presence in the Western Hemisphere, balancing global trade, …

  10. Security and protection system | Personal & Property ...

    Security and protection system, any of various means or devices designed to guard persons and property against a broad range of hazards, including crime, fire, accidents, espionage, sabotage, …