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 Linux+ Certification (XK0-005) | 2026 Udemy
CompTIA Linux+ Certification (XK0-005) | 2026
Certificate
USD 19.99
HCL Domino 11 Systemadministration 1 (Grundlagen) Udemy
HCL Domino 11 Systemadministration 1 (Grundlagen)
Certificate
USD 49.99
Microsoft Azure Fundamentals (AZ-900) | 6 Practice Exams Udemy
Microsoft Azure Fundamentals (AZ-900) | 6 Practice Exams
Certificate
USD 89.99
AZ-900 Microsoft Azure Fundamentals Practice Exams 2026 Udemy
AZ-900 Microsoft Azure Fundamentals Practice Exams 2026
MOOC / Non-credit
USD 44.99
FluxCD 101 with Hands-On Labs Udemy
FluxCD 101 with Hands-On Labs
Certificate
USD 19.99
AZ-900 Azure Fundamentals Udemy
AZ-900 Azure Fundamentals
Certificate
USD 34.99
Analista de Suporte Linux Udemy
Analista de Suporte Linux
Certificate
USD 184.99
Fechamento de Sistemas em Delphi - Sistema Restaurante Udemy
Fechamento de Sistemas em Delphi - Sistema Restaurante
Certificate
USD 124.99
Google Professional Cloud Architect - PCA Practice Test 2026 Udemy
Google Professional Cloud Architect - PCA Practice Test 2026
Certificate
USD 19.99
400 Docker Interview Questions with Answers 2026 Udemy
400 Docker Interview Questions with Answers 2026
MOOC / Non-credit
USD 109.99
AWSと生成AIで学ぶSCM基幹システム開発 自動車部品・調達ポータル Udemy
AWSと生成AIで学ぶSCM基幹システム開発 自動車部品・調達ポータル
Certificate
USD 74.99
Tests for Microsoft Power Platform Solution Architect PL-600 Udemy
Tests for Microsoft Power Platform Solution Architect PL-600
Certificate
USD 24.99
Certification Docker (DCA) niveau 1 | +Test Examen Udemy
Certification Docker (DCA) niveau 1 | +Test Examen
Certificate
USD 19.99
[ 日本語 ] – AWS認定クラウドプラクティショナー（CLF-C02） Udemy
[ 日本語 ] – AWS認定クラウドプラクティショナー（CLF-C02）
Certificate
USD 199.99
AZ-900: Microsoft Azure Fundamentals Practice Test 2025 Udemy
AZ-900: Microsoft Azure Fundamentals Practice Test 2025
Certificate
USD 34.99
AZ-900 Certification Bootcamp: Microsoft Azure Fundamental Udemy
AZ-900 Certification Bootcamp: Microsoft Azure Fundamental
Bootcamp
USD 19.99
Deno 2 na Prática: Criando uma API REST Udemy
Deno 2 na Prática: Criando uma API REST
Certificate
USD 39.99
LPIC-3 Enterprise Mixed Environment Exámenes de práctica Udemy
LPIC-3 Enterprise Mixed Environment Exámenes de práctica
Certificate
USD 29.99
Praxisgrundlage PowerShell, Active Directory, Windows Server Udemy
Praxisgrundlage PowerShell, Active Directory, Windows Server
Certificate
USD 169.99
Advanced VMware Security Udemy
Advanced VMware Security
Certificate
USD 199.99
CompTIA Security+ Practice Tests | Exam-Focused Prep Course Udemy
CompTIA Security+ Practice Tests | Exam-Focused Prep Course
Certificate
USD 19.99
AWS Certified Solutions Architect Associate Practice Exams Udemy
AWS Certified Solutions Architect Associate Practice Exams
Certificate
USD 19.99
SAP Data Analyst - SAP Analytics Cloud - C_SAC_2501 Udemy
SAP Data Analyst - SAP Analytics Cloud - C_SAC_2501
Certificate
USD 29.99
Complete Python 3 Ethical Hacking: Beginner To Advanced! Udemy
Complete Python 3 Ethical Hacking: Beginner To Advanced!
Certificate
USD 199.99

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.