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 A+ (220-1201/1202) Core 1 & 2 Expert Exam Udemy
CompTIA A+ (220-1201/1202) Core 1 & 2 Expert Exam
Certificate
USD 34.99
Awesome Microsoft Azure AZ-900-Microsoft Azure Fundamentals Udemy
Awesome Microsoft Azure AZ-900-Microsoft Azure Fundamentals
Certificate
USD 19.99
CISCO CCNA 200-301 Practice Test 2023 Udemy
CISCO CCNA 200-301 Practice Test 2023
MOOC / Non-credit
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
NCP-CI-AWS: Nutanix Cloud Infrastructure on AWS - Exam Prep Udemy
NCP-CI-AWS: Nutanix Cloud Infrastructure on AWS - Exam Prep
Certificate
USD 69.99
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
Réussir AWS Cloud Practitioner : 3 Examens Pratiques. Udemy
Réussir AWS Cloud Practitioner : 3 Examens Pratiques.
Certificate
USD 19.99
[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
Simulation AWS Cloud Practitioner (CLF-C02) Certification Udemy
Simulation AWS Cloud Practitioner (CLF-C02) Certification
Certificate
USD 34.99
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
CCNA 200-301 Practice Exams -Questions updated constantly Udemy
CCNA 200-301 Practice Exams -Questions updated constantly
MOOC / Non-credit
USD 19.99
AZ-204 Developing Azure Solutions | Exam Simulator 2026 Udemy
AZ-204 Developing Azure Solutions | Exam Simulator 2026
MOOC / Non-credit
USD 19.99
PL-900: Microsoft Power Platform Fundamentals Practice Tests Udemy
PL-900: Microsoft Power Platform Fundamentals Practice Tests
Certificate
USD 19.99
CompTIA Security+ (SY0-701) Exam +500QS & Explanations Udemy
CompTIA Security+ (SY0-701) Exam +500QS & Explanations
Certificate
USD 19.99
【本番模試4回分】 AWS認定 DevOps Engineer Professional DOP-C02 【最新】 Udemy
【本番模試4回分】 AWS認定 DevOps Engineer Professional DOP-C02 【最新】
MOOC / Non-credit
USD 19.99
Google Professional Cloud Architect PCA Practice Exams 2026 Udemy
Google Professional Cloud Architect PCA Practice Exams 2026
Certificate
USD 19.99
Oracle 1Z0-1093-21. New Training Questions to get certified Udemy
Oracle 1Z0-1093-21. New Training Questions to get certified
Certificate
USD 19.99
Microsoft MS-101 Preparation Practice Exams Udemy
Microsoft MS-101 Preparation Practice Exams
MOOC / Non-credit
USD 19.99
Practice Tests | AWS Certified Cloud Practitioner Exam Udemy
Practice Tests | AWS Certified Cloud Practitioner Exam
MOOC / Non-credit
USD 49.99
CompTIA SecAI+ CY0-001 (V1) Practice Exam Questions Udemy
CompTIA SecAI+ CY0-001 (V1) Practice Exam Questions
Certificate
USD 19.99
Comptia ITF | Comptia IT Fundamentals (ITF+) FC0-U61 Prep Udemy
Comptia ITF | Comptia IT Fundamentals (ITF+) FC0-U61 Prep
Certificate
USD 199.99
CompTIA Security+ V7 (SY0-701) Exam Practice Test Prep 2026 Udemy
CompTIA Security+ V7 (SY0-701) Exam Practice Test Prep 2026
Certificate
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.