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 Security+ | Complete Guide to Security Fundamentals Udemy
CompTIA Security+ | Complete Guide to Security Fundamentals
Certificate
USD 19.99
AZ-900: Microsoft Azure Fundamentals, Full Exam Preparation Udemy
AZ-900: Microsoft Azure Fundamentals, Full Exam Preparation
Bootcamp
USD 44.99
AWS Cloud Practitioner CLF-C02 Practice Exams Real Exam 2026 Udemy
AWS Cloud Practitioner CLF-C02 Practice Exams Real Exam 2026
Certificate
USD 19.99
Complete Python 3 Ethical Hacking: Beginner To Advanced! Udemy
Complete Python 3 Ethical Hacking: Beginner To Advanced!
Certificate
USD 199.99
GitHub Advanced Security Exam Questions *2026* Udemy
GitHub Advanced Security Exam Questions *2026*
Certificate
USD 19.99
Curso de Cisco FirePower FTD | Parte-2 FMC (Español) Udemy
Curso de Cisco FirePower FTD | Parte-2 FMC (Español)
Certificate
USD 19.99
Laboratórios Oficiais Security+ SY0-601 Udemy
Laboratórios Oficiais Security+ SY0-601
Certificate
USD 39.99
The Advanced QlikSense Masterclass Udemy
The Advanced QlikSense Masterclass
MOOC / Non-credit
USD 149.99
Cloud Design Patterns Udemy
Cloud Design Patterns
Certificate
USD 49.99
Administration de Windows 2019 en mode hybrid (Azure AZ-801) Udemy
Administration de Windows 2019 en mode hybrid (Azure AZ-801)
Certificate
USD 199.99
Cloud Management | Cloud Management for Comptia Cloud+ Exam Udemy
Cloud Management | Cloud Management for Comptia Cloud+ Exam
MOOC / Non-credit
USD 199.99
Microsoft Azure Administrator Complete Course Udemy
Microsoft Azure Administrator Complete Course
Certificate
USD 139.99
SAA-C03 Certification AWS Solutions Architect Associate - FR Udemy
SAA-C03 Certification AWS Solutions Architect Associate - FR
Certificate
USD 19.99
Master API Design, Access and Authorization Udemy
Master API Design, Access and Authorization
Certificate
USD 19.99
PL-600 Microsoft Power Platform Solution Architect Exam Udemy
PL-600 Microsoft Power Platform Solution Architect Exam
MOOC / Non-credit
USD 19.99
IBM z OS Mainframe Practitioner Practice Exams Udemy
IBM z OS Mainframe Practitioner Practice Exams
MOOC / Non-credit
USD 19.99
Cisco Data Center Infrastructure (300-610) Practice Exams Udemy
Cisco Data Center Infrastructure (300-610) Practice Exams
MOOC / Non-credit
USD 19.99
(old)用NodeJS開發 Bitcoin wallet Udemy
(old)用NodeJS開發 Bitcoin wallet
Certificate
USD 119.99
AWS certified Developer - Associate (challenge tests - 2026) Udemy
AWS certified Developer - Associate (challenge tests - 2026)
Certificate
USD 19.99
Certified Kubernetes Administrator (CKA) Exam Practice Udemy
Certified Kubernetes Administrator (CKA) Exam Practice
Certificate
USD 19.99
1500 Questions | AWS Certified Security – Specialty 2026 Udemy
1500 Questions | AWS Certified Security – Specialty 2026
Certificate
USD 99.99
CompTIA Linux+ XK0-005 (V7) Practice Exam Questions Udemy
CompTIA Linux+ XK0-005 (V7) Practice Exam Questions
MOOC / Non-credit
USD 19.99
AZ-104 - Microsoft Certified: Azure Administrator Associate Udemy
AZ-104 - Microsoft Certified: Azure Administrator Associate
Certificate
USD 19.99
【徹底対策440問】CompTIA Tech+ (FC0-U71) 本番模試+カテゴリ別問題集 Udemy
【徹底対策440問】CompTIA Tech+ (FC0-U71) 本番模試+カテゴリ別問題集
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.