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 …

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

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

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

If something is security for a loan, you promise to give that thing to the person who lends you money, if you fail to pay the money back.

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

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.

Definition of security noun from the Oxford Advanced Learner's Dictionary. [uncountable] the activities involved in protecting a country, building or person against attack, danger, etc. They …

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

Jul 22, 2025 · If you’ve only given digital security a passing thought, it’s time to start getting more serious. As digital security experts with decades of combined experience, we have put …