Best Security Courses Online (2,920+ Courses)

Explore 2,920+ best Security courses online. Compare ratings, price (free & paid), providers and levels, then enroll in the right Security course. Updated 2026.

2,920 courses
CompTIA SecurityX CAS-005 Practice Exams 2026 Udemy
CompTIA SecurityX CAS-005 Practice Exams 2026
Certificate
USD 149.99
CompTIA A+ (220-1201/1202) Core 1 & 2 Expert Exam Udemy
CompTIA A+ (220-1201/1202) Core 1 & 2 Expert Exam
Certificate
USD 34.99
Google Cloud Digital Leader (CDL) Practice Exam Udemy
Google Cloud Digital Leader (CDL) Practice Exam
Certificate
USD 19.99
Awesome Microsoft Azure AZ-900-Microsoft Azure Fundamentals Udemy
Awesome Microsoft Azure AZ-900-Microsoft Azure Fundamentals
Certificate
USD 19.99
AWS Cloud Practitioner Certification - Practice Exams Udemy
AWS Cloud Practitioner Certification - Practice Exams
Certificate
USD 19.99
AWS Certified Cloud Practitioner CLF-C02 Mock Exams 2026 Udemy
AWS Certified Cloud Practitioner CLF-C02 Mock Exams 2026
Certificate
USD 99.99
Microsoft AZ-204: Azure Developer Associate Practice Tests Udemy
Microsoft AZ-204: Azure Developer Associate Practice Tests
MOOC / Non-credit
USD 24.99
Cisco 300-420 CCNP Enterprise ENSLD Exam Practice Tests 2026 Udemy
Cisco 300-420 CCNP Enterprise ENSLD Exam Practice Tests 2026
Certificate
USD 19.99
CompTIA Linux+ XK0-006 (V8) Exam Course Prep Questions/PBQs Udemy
CompTIA Linux+ XK0-006 (V8) Exam Course Prep Questions/PBQs
Certificate
USD 19.99
AWS Solutions Architect Certification & Job Readiness Exams Udemy
AWS Solutions Architect Certification & Job Readiness Exams
Certificate
USD 19.99
F5 201 Exam Preparation - Complete Course w/ Practice Exams Udemy
F5 201 Exam Preparation - Complete Course w/ Practice Exams
MOOC / Non-credit
USD 39.99
CompTIA A+ V15 Practice Exams: Get Certified Fast! Udemy
CompTIA A+ V15 Practice Exams: Get Certified Fast!
Certificate
USD 19.99
AWS Certified Cloud Practitioner CLF-C02 | Practice Exams Udemy
AWS Certified Cloud Practitioner CLF-C02 | Practice Exams
Certificate
USD 24.99
【最新_2026年度版】CompTIA Security+ (SY0-701) 模擬問題集 Udemy
【最新_2026年度版】CompTIA Security+ (SY0-701) 模擬問題集
MOOC / Non-credit
USD 19.99
[Exams] AWS Certified CloudOps Engineer Associate SOA-C03 Udemy
[Exams] AWS Certified CloudOps Engineer Associate SOA-C03
MOOC / Non-credit
USD 29.99
[Simulados] AWS Solutions Architect Associate SAA-C03 PT-BR Udemy
[Simulados] AWS Solutions Architect Associate SAA-C03 PT-BR
Certificate
USD 44.99
AWS Certified AI Practitioner AIF-C01 Practice Exams 2026 Udemy
AWS Certified AI Practitioner AIF-C01 Practice Exams 2026
Certificate
USD 19.99
AZ-900: Microsoft Azure Fundamentals AZ900 練習問題 2026 Udemy
AZ-900: Microsoft Azure Fundamentals AZ900 練習問題 2026
Certificate
USD 19.99
Revisão para Certificação Linux Essentials Udemy
Revisão para Certificação Linux Essentials
Certificate
USD 34.99
CompTIA Security+ (SY0-701) Exam +500QS & Explanations Udemy
CompTIA Security+ (SY0-701) Exam +500QS & Explanations
Certificate
USD 19.99
【徹底対策 290問】AWS 認定 セキュリティ スペシャリティ本番模試+カテゴリ別問題集 Udemy
【徹底対策 290問】AWS 認定 セキュリティ スペシャリティ本番模試+カテゴリ別問題集
Certificate
USD 19.99
CompTIA Advanced Security Practitioner (CASP+) CAS-004 Pract Udemy
CompTIA Advanced Security Practitioner (CASP+) CAS-004 Pract
Certificate
USD 19.99
Associate VMware Data Center Virtualization (VCTA-DCV 2025) Udemy
Associate VMware Data Center Virtualization (VCTA-DCV 2025)
Certificate
USD 54.99
Microsoft MS-101 Preparation Practice Exams Udemy
Microsoft MS-101 Preparation Practice Exams
MOOC / Non-credit
USD 19.99

Why learn Security online?

Security is a valuable, in-demand skill, and online courses make it easy to learn at your own pace. On this page we bring together 2,920+ Security courses from trusted providers so you can compare options side by side and choose the one that fits your goals, budget and schedule.

How to choose the right Security course

  • Level: pick beginner, intermediate or advanced based on your current experience.
  • Price: filter free or paid Security courses depending on your budget.
  • Provider & rating: check the platform and learner ratings before enrolling.
  • Outcome: look for hands-on projects or a certificate you can add to your CV.

Free vs paid Security courses

Free Security courses are great for exploring the basics, while paid courses usually add structured projects, mentor support and a completion certificate. Use the price filter above to compare both and enroll with confidence.