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 …

An official website of the Center for Development of Security Excellence, Defense Counterintelligence and Security Agency

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 …

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

AT&T ActiveArmor proactively stops scammers, fraud & security threats before they get to you. Learn about Wireless, Internet & Cybersecurity apps & services that provide extra protection.

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

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.