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  1. Information Technology (IT) Certifications & Tech Training

    CompTIA SecAI+ is designed for cybersecurity and tech professionals who need to secure AI systems and use AI responsibly in security operations. Earn your SecAI+ certification to …

  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 Careers & Jobs | Join Securitas USA

    Build your future with Securitas. Explore rewarding security careers and job opportunities nationwide — protecting people, places, and communities every day.

  5. What is Cybersecurity? Key Concepts Explained | Microsoft Security

    Learn about cybersecurity and how to defend your people, data, and applications against today’s growing number of cybersecurity threats. Cybersecurity is a set of processes, best practices, …

  6. Security Definition & Meaning | Britannica Dictionary

    SECURITY meaning: 1 : the state of being protected or safe from harm often used before another noun; 2 : things done to make people or places safe

  7. SECURITY | English meaning - Cambridge Dictionary

    SECURITY definition: 1. protection of a person, building, organization, or country against threats such as crime or…. Learn more.

  8. 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.

  9. 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.

  10. Cybersecurity | Ready.gov

    Cybersecurity involves preventing, detecting, and responding to cyberattacks that can affect individuals, organizations, communities, and the nation. Protect Yourself During an Attack …