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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

    Computer security, also known as cybersecurity or IT security, refers to the security of computing devices such as computers and smartphones, as well as computer networks such as private …

  3. Guide to CompTIA Security+ Certification 2025 | Coursera

    Oct 23, 2025 · It focuses on hands-on, practical security skills in six major domains. Preparing yourself for the exam gives you a broad base of practical knowledge and skills you’ll need to …

  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. Customized Security & Guarding Solutions | Securitas USA

    Securitas is a leading provider of custom security & guarding solutions. Explore our protective services, including on-site guarding, mobile patrol, and more.

  6. 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.

  7. 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.

  8. SECURITY Definition & Meaning | Dictionary.com

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

  9. Computer security - Wikipedia

    An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cyber security, digital security, or …

  10. Vector Security® | Smart Home & Business Security Systems

    Protect your home or business with Vector Security. Professional installation, smart automation, and 24/7 monitoring you can trust.