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  1. comptia.org
    https://www.comptia.org › en-us › certifications › security

    Security+ (Plus) Certification | CompTIA

    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 professionals' capabilities …

  2. wikipedia.org
    https://en.wikipedia.org › wiki › Security

    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. bestbuy.com
    https://www.bestbuy.com › site › home-security...

    Home Security Systems - Best Buy

    Put together the best home security system for your home with help from Best Buy. Find a home alarm system to help protect your home and give you peace of mind.

  4. techtarget.com
    https://www.techtarget.com › searchsecurity › definition › security

    What is Security? | Definition from TechTarget

    May 30, 2025 · Security for information technology (IT) refers to the methods, tools and personnel used to defend an organization's digital assets. The goal of IT security is to protect these …

  5. britannica.com
    https://www.britannica.com › dictionary › security

    Security Definition & Meaning | Britannica Dictionary

    We must insure our national security. The college failed to provide adequate security on campus after dark. There was a lapse in security and the inmates escaped. We have to go through …

  6. microsoft.com
    https://www.microsoft.com › en-us › windows › comprehensive-security

    Windows Security: Defender Antivirus, SmartScreen, and More

    From the moment you turn on your PC, Windows 11 defends against potential risks to help make sure your credentials, photos, and files don’t fall into the wrong hands. From your every day to …

  7. merriam-webster.com
    https://www.merriam-webster.com › dictionary › security

    SECURITY Definition & Meaning - Merriam-Webster

    : measures taken to guard against espionage or sabotage, crime, attack, or escape. According to a media release, the investments are going to community partners helping parents, families …

  8. security.org
    https://www.security.org

    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.

  9. nsa.gov
    https://www.nsa.gov

    National Security Agency | Central Security Service

    NSA Cybersecurity prevents and eradicates threats to U.S. national security systems with a focus on the Defense Industrial Base and the improvement of our weapons’ security.

  10. cambridge.org
    https://dictionary.cambridge.org › dictionary › english › security

    SECURITY | English meaning - Cambridge Dictionary

    30 demonstrators were killed in clashes with the security forces over the weekend. The tighter security measures / precautions include video cameras throughout the city centre. The …

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