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
Cisco Troubleshooting Labs For CCNA, CCNP, and CCIE Students Udemy
Cisco Troubleshooting Labs For CCNA, CCNP, and CCIE Students
Certificate
USD 59.99
CompTIA Linux+ (XKO-005) Preparation Practice Tests Udemy
CompTIA Linux+ (XKO-005) Preparation Practice Tests
Certificate
USD 19.99
【最新シラバス】AZ-801: Microsoft Windows Server ハイブリッド管理者アソシエイト Udemy
【最新シラバス】AZ-801: Microsoft Windows Server ハイブリッド管理者アソシエイト
Certificate
USD 19.99
CCNP Service Provider Practice Exam Tests/Questions *2025* Udemy
CCNP Service Provider Practice Exam Tests/Questions *2025*
MOOC / Non-credit
USD 19.99
AWS DevOps Engineer Professional Course Udemy
AWS DevOps Engineer Professional Course
Certificate
USD 54.99
AWS Cloud Practitioner 4 examens pratiques (Français) Udemy
AWS Cloud Practitioner 4 examens pratiques (Français)
Certificate
USD 19.99
CompTIA Linux+ (XK0-005) Tests Pratiques Complets Udemy
CompTIA Linux+ (XK0-005) Tests Pratiques Complets
Certificate
USD 29.99
AWS Solutions Architect Professional challenge tests - 2026 Udemy
AWS Solutions Architect Professional challenge tests - 2026
Certificate
USD 19.99
AWS DevOps Engineer Professional DOP-C02 Practice Tests 2026 Udemy
AWS DevOps Engineer Professional DOP-C02 Practice Tests 2026
MOOC / Non-credit
USD 49.99
AWS Certified Developer Associate - Theory + Hands-On + Exam Udemy
AWS Certified Developer Associate - Theory + Hands-On + Exam
Certificate
USD 199.99
Docker Certified Associate DCA Exámenes Simulados 2026 Udemy
Docker Certified Associate DCA Exámenes Simulados 2026
MOOC / Non-credit
USD 149.99
OCI 2025 MultiCloud Architect Professsional Udemy
OCI 2025 MultiCloud Architect Professsional
Certificate
USD 19.99
CloudWizard: AWS Cloud Practitioner Exam Practice Tests Udemy
CloudWizard: AWS Cloud Practitioner Exam Practice Tests
Certificate
USD 24.99
LPIC-1 - Practice Exam 101-500 AND 102-500 Udemy
LPIC-1 - Practice Exam 101-500 AND 102-500
Certificate
USD 19.99
AZ-500: Microsoft Azure Security Technologies 2026 Updated Udemy
AZ-500: Microsoft Azure Security Technologies 2026 Updated
Certificate
USD 19.99
AWS Certified AI Practitioner（AIF）一発合格マスター講座【演習問題つき】 Udemy
AWS Certified AI Practitioner（AIF）一発合格マスター講座【演習問題つき】
Certificate
USD 19.99
Ultimate AWS Cloudops Engineer Practice Exams 2026 Udemy
Ultimate AWS Cloudops Engineer Practice Exams 2026
Certificate
USD 59.99
MS-102 Microsoft 365 Administrator Practice Questions Udemy
MS-102 Microsoft 365 Administrator Practice Questions
Certificate
USD 29.99
【2026年最新】Google Cloud Professional Cloud Developer 模擬試験（PCD） Udemy
【2026年最新】Google Cloud Professional Cloud Developer 模擬試験（PCD）
Certificate
USD 19.99
Cisco CCNA Practice Exams - 6 Exams (New CCNA Exam - 2022) Udemy
Cisco CCNA Practice Exams - 6 Exams (New CCNA Exam - 2022)
Bootcamp
USD 24.99
AWS Database Specialty (DBS-C01) Exam Prep Course Udemy
AWS Database Specialty (DBS-C01) Exam Prep Course
Certificate
USD 199.99
AZ-900 Microsoft Azure Fundamentals - Questions 2023 Udemy
AZ-900 Microsoft Azure Fundamentals - Questions 2023
Certificate
USD 19.99
CCNA 1 V7 CISCO-Network Introduction practice test Udemy
CCNA 1 V7 CISCO-Network Introduction practice test
MOOC / Non-credit
USD 24.99
[2026] AWS Certified Developer Associate – Examens Blancs FR Udemy
[2026] AWS Certified Developer Associate – Examens Blancs FR
Certificate
USD 24.99

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.