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 …

The meaning of SECURITY is the quality or state of being secure. How to use security in a sentence.

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.

Security+ validates the core skills required for a career in IT security and cybersecurity. Learn about the certification, available training and the exam.

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

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

Security.org simplifies home security and personal safety. Using cutting-edge research, our experts educate and inspire people to stay safe.