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comptia.org
https://www.comptia.org/en-us/certifications/secur…
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.
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wikipedia.org
https://en.wikipedia.org/wiki/Security
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 institutions, ecosystems, or any other entity or phenomenon vulnerable to unwanted change.
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merriam-webster.com
https://www.merriam-webster.com/dictionary/securit…
SECURITY Definition & Meaning - Merriam-Webster
The meaning of SECURITY is the quality or state of being secure. How to use security in a sentence.
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cambridge.org
https://dictionary.cambridge.org/dictionary/englis…
SECURITY | English meaning - Cambridge Dictionary
SECURITY definition: 1. protection of a person, building, organization, or country against threats such as crime or…. Learn more.
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techtarget.com
https://www.techtarget.com/searchsecurity/definiti…
What is Security? | Definition from TechTarget
Security in IT is the method of preventing, defending and mitigating cyberattacks. Learn the different types of security and the best security principles.
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britannica.com
https://www.britannica.com/dictionary/security
Security Definition & Meaning | Britannica Dictionary
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
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oxfordlearnersdictionaries.com
https://www.oxfordlearnersdictionaries.com/definit…
security noun - Definition, pictures, pronunciation and usage notes ...
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 carried out security checks at the airport. Passwords are a very important security measure.
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cnn.com
https://www.cnn.com/2025/12/05/politics/trump-nati…
Trump national security strategy calls for ‘cultivating ... - CNN
The White House quietly released President Donald Trump’s new national security strategy late Thursday, a 33-page document that elevates his “America First” doctrine and sets out the ...
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collinsdictionary.com
https://www.collinsdictionary.com/dictionary/engli…
SECURITY definition and meaning | Collins English Dictionary
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.
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security.org
https://www.security.org/
Security.org: Security Doesn't Have to be Complicated
Security.org simplifies home security and personal safety. Using cutting-edge research, our experts educate and inspire people to stay safe.