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
AWS Certified Solutions Architect Associate Practice Tests Udemy
AWS Certified Solutions Architect Associate Practice Tests
MOOC / Non-credit
USD 29.99
AWS Certified Cloud Practitioner Test Exam | Passexam Udemy
AWS Certified Cloud Practitioner Test Exam | Passexam
Certificate
USD 19.99
AWS Cloud Practitioner: BY TOPIC Quiz + 10 Exams | 1000+ Qs Udemy
AWS Cloud Practitioner: BY TOPIC Quiz + 10 Exams | 1000+ Qs
Certificate
USD 19.99
Simulado AWS Certified SysOps Administrator Associate Udemy
Simulado AWS Certified SysOps Administrator Associate
Certificate
USD 34.99
AWS SysOps Administrator Practice Tests Udemy
AWS SysOps Administrator Practice Tests
Certificate
USD 19.99
AZ-305: Azure Solutions Architect Expert Udemy
AZ-305: Azure Solutions Architect Expert
Certificate
USD 24.99
Linux Network Administration and Services Deployment Udemy
Linux Network Administration and Services Deployment
Certificate
USD 19.99
AAISM - Crash Course, Quiz, Tips & Tricks Udemy
AAISM - Crash Course, Quiz, Tips & Tricks
Certificate
USD 19.99
MD-102 Administrador de puntos de conexión de Microsoft 365 Udemy
MD-102 Administrador de puntos de conexión de Microsoft 365
MOOC / Non-credit
USD 24.99
AZ 140 Microsoft Azure Virtual Desktop Speciality Udemy
AZ 140 Microsoft Azure Virtual Desktop Speciality
MOOC / Non-credit
USD 19.99
【基礎からわかる - 2026】DP-300: Microsoft Azure データベース管理者アソシエイト 模擬試験 Udemy
【基礎からわかる - 2026】DP-300: Microsoft Azure データベース管理者アソシエイト 模擬試験
Certificate
USD 19.99
Simulado Cisco Certified Internetwork Expert Udemy
Simulado Cisco Certified Internetwork Expert
Certificate
USD 34.99
Practice Tests - AZ-500 Azure Security Engineer Associate Udemy
Practice Tests - AZ-500 Azure Security Engineer Associate
Certificate
USD 19.99
CCNA (Advanced Networking and Security) Practice Tests Udemy
CCNA (Advanced Networking and Security) Practice Tests
MOOC / Non-credit
USD 19.99
[2026] AWS Certified Developer DVA-C02 – Übungstests Deutsch Udemy
[2026] AWS Certified Developer DVA-C02 – Übungstests Deutsch
Certificate
USD 24.99
AZ-305 Exam Prep: Designing Azure Infrastructure Solutions Udemy
AZ-305 Exam Prep: Designing Azure Infrastructure Solutions
MOOC / Non-credit
USD 19.99
AWS Certified AI Practitioner (AIF-C01) Practice Exams Udemy
AWS Certified AI Practitioner (AIF-C01) Practice Exams
Certificate
USD 19.99
Configuring and Operating Microsoft Azure Virtual Desktop Udemy
Configuring and Operating Microsoft Azure Virtual Desktop
Certificate
USD 19.99
AWS Certified Advanced Networking - Specialty (ANS-C01) Test Udemy
AWS Certified Advanced Networking - Specialty (ANS-C01) Test
Certificate
USD 19.99
AZ-900 Microsoft Azure Fundamentals - Questions 2023 Udemy
AZ-900 Microsoft Azure Fundamentals - Questions 2023
Certificate
USD 19.99
AWS Database Specialty (DBS-C01) Exam Prep Course Udemy
AWS Database Specialty (DBS-C01) Exam Prep Course
Certificate
USD 199.99
Cisco Troubleshooting Labs For CCNA, CCNP, and CCIE Students Udemy
Cisco Troubleshooting Labs For CCNA, CCNP, and CCIE Students
Certificate
USD 59.99
【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
ServiceNow Certified Application Developer (CAD) - NEW Exams Udemy
ServiceNow Certified Application Developer (CAD) - NEW 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.