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  1. Securitas | Chicago Security Guard | Private Security | Armed

    Our team has built its reputation by combining advanced technology, deep domain expertise, and client-centric processes. Our comprehensive security technologies encompass access control, …

  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 Services | MFort Security Services | Chicago & Suburbs

    We strive to be industry leaders and trusted partners, providing expert guidance and dependable security solutions. Our commitment to integrity and excellence ensures that our clients feel …

  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. Security Guard Services in Chicago, IL | STT Security

    Our professionally trained security guards are available 24/7 across the Chicago suburbs. Call now to request a FREE QUOTE and discover how we can help protect your people and property.

  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.