What is CompTIA Security+ certification?

CompTIA Security+ is a globally recognised cybersecurity certification run by the Computing Technology Industry Association. It tests your knowledge of core cybersecurity concepts across five domains and is designed for people moving into cybersecurity roles or looking to formalise their IT knowledge.

What topics does CompTIA Security+ cover?

It covers five domains: threats and vulnerabilities, security technologies and tools, network architecture and design, identity and access management, and risk management. See the 'What does it cover?' section above for a full breakdown.

Is CompTIA Security+ worth getting?

Yes, if you are moving into cybersecurity or want to protect your business. It adds credibility to your CV and the exam includes performance-based questions, so you learn skills you can actually apply.

How do I prepare for the Security+ exam?

The three main options are instructor-led classroom courses, self-paced online courses, and self-study with books and practice materials. See the 'How to prepare' section for a full comparison of cost, flexibility, and who each method suits best.

Do employers recognise CompTIA Security+?

Yes. Security+ meets a recognised requirement for certain US Department of Defense roles and is respected by employers around the world.

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Your Plain-English Guide to CompTIA Security+

Published 2 May 2026 · 3 min read · by Alex Stevens

CompTIA Security+ is a widely recognised entry-level cybersecurity certification covering threats, technologies, network design, identity management, and risk. It's practical, respected by employers, and a solid starting point for anyone moving into cybersecurity.

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