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
SC900(Microsoft Security, Compliance & Identity Fundamental) Udemy
SC900(Microsoft Security, Compliance & Identity Fundamental)
Certificate
USD 19.99
HashiCorp Certified Vault Associate 003 Tests Blancs 2026 Udemy
HashiCorp Certified Vault Associate 003 Tests Blancs 2026
Certificate
USD 99.99
Simulados CompTIA Security+ SY0-701: 540 Questões Práticas Udemy
Simulados CompTIA Security+ SY0-701: 540 Questões Práticas
MOOC / Non-credit
USD 34.99
CCIE Enterprise Infrastructure (v1.0) - Technical Classes Udemy
CCIE Enterprise Infrastructure (v1.0) - Technical Classes
Certificate
USD 199.99
Salesforce Administrator ADM-201 Practice Tests Udemy
Salesforce Administrator ADM-201 Practice Tests
Certificate
USD 19.99
ENSDW CCNP [V1.2] exam 300-415 (Each question Explained) Udemy
ENSDW CCNP [V1.2] exam 300-415 (Each question Explained)
MOOC / Non-credit
USD 19.99
AWS MLS-C01 Machine Learning Specialty: 390 questions Udemy
AWS MLS-C01 Machine Learning Specialty: 390 questions
Certificate
USD 109.99
CompTIA Security+ (SY0-701) Preparación para el Examen 2025 Udemy
CompTIA Security+ (SY0-701) Preparación para el Examen 2025
Certificate
USD 19.99
LPIC-1 102-500: Chinh Phục Thi - Bài Test & Lab 2025 Udemy
LPIC-1 102-500: Chinh Phục Thi - Bài Test & Lab 2025
MOOC / Non-credit
USD 19.99
Guía de estudio Microsoft Azure Fundamentals AZ-900 Español Udemy
Guía de estudio Microsoft Azure Fundamentals AZ-900 Español
Certificate
USD 69.99
CompTIA Security+ SY0-701 Practice Exam 2026 Udemy
CompTIA Security+ SY0-701 Practice Exam 2026
Certificate
USD 19.99
AZ-400 Microsoft DevOps Engineer Expert Ultimate Course 2026 Udemy
AZ-400 Microsoft DevOps Engineer Expert Ultimate Course 2026
Certificate
USD 19.99
Azure Developer Associate AZ-204 Exam Practice Tests Udemy
Azure Developer Associate AZ-204 Exam Practice Tests
MOOC / Non-credit
USD 19.99
Google Cloud Digital Leader (CDL) Practice Exam Udemy
Google Cloud Digital Leader (CDL) Practice Exam
Certificate
USD 19.99
CompTIA Linux+ XK0-006 (V8) Practice Exam Prep Udemy
CompTIA Linux+ XK0-006 (V8) Practice Exam Prep
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 Certified Cloud Practitioner CLF-C02 Mock Exams 2026 Udemy
AWS Certified Cloud Practitioner CLF-C02 Mock Exams 2026
Certificate
USD 99.99
Kubernetes CKS - Certified Kubernetes Security Specialist Udemy
Kubernetes CKS - Certified Kubernetes Security Specialist
MOOC / Non-credit
USD 19.99
CompTIA Security+ (SY0-701) Certification Preparation 2026 Udemy
CompTIA Security+ (SY0-701) Certification Preparation 2026
Certificate
USD 19.99
CompTIA Linux+ XK0-006 Practice Exam 2026 Udemy
CompTIA Linux+ XK0-006 Practice Exam 2026
Certificate
USD 19.99
AWS Certified AI Practitioner AIF-C01 Practice Exams 2026 Udemy
AWS Certified AI Practitioner AIF-C01 Practice Exams 2026
Certificate
USD 19.99
CompTIA Security+ (SY0-701) Premium Practice Test w/PBQ 2026 Udemy
CompTIA Security+ (SY0-701) Premium Practice Test w/PBQ 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

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.