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
MS-900: Microsoft 365 Fundamentals Practice Exam Updated -26 Udemy
MS-900: Microsoft 365 Fundamentals Practice Exam Updated -26
Certificate
USD 19.99
Fortinet: Scripts MASIVOS Udemy
Fortinet: Scripts MASIVOS
Certificate
USD 19.99
ServiceNow Certified System Administrator Udemy
ServiceNow Certified System Administrator
Certificate
USD 99.99
AWS Cloud Practitioner Português Udemy
AWS Cloud Practitioner Português
MOOC / Non-credit
USD 94.99
【世界で3万人が受講】演習テスト: AWS 認定 ソリューションアーキテクトアソシエイト Udemy
【世界で3万人が受講】演習テスト: AWS 認定 ソリューションアーキテクトアソシエイト
Certificate
USD 44.99
AZ-900 Microsoft Azure Fundamentals: Simulados 2026 Udemy
AZ-900 Microsoft Azure Fundamentals: Simulados 2026
MOOC / Non-credit
USD 34.99
CompTIA Security+ (SY0-701) Practice Test - Cover All Domain Udemy
CompTIA Security+ (SY0-701) Practice Test - Cover All Domain
MOOC / Non-credit
USD 19.99
Google Cloud Digital Leader Practice Exam Prep *NEW* Udemy
Google Cloud Digital Leader Practice Exam Prep *NEW*
Certificate
USD 19.99
CompTIA Security+ Practice Tests Udemy
CompTIA Security+ Practice Tests
Certificate
USD 19.99
2026 模擬試験 | Microsoft Azure Fundamentals (AZ-900) Udemy
2026 模擬試験 | Microsoft Azure Fundamentals (AZ-900)
Certificate
USD 19.99
CompTIA A+ Certification Practice Exams: 220-1101 & 220-1102 Udemy
CompTIA A+ Certification Practice Exams: 220-1101 & 220-1102
Certificate
USD 19.99
Exam MS-900: Microsoft 365 Fundamentals Practice Tests Prep Udemy
Exam MS-900: Microsoft 365 Fundamentals Practice Tests Prep
Certificate
USD 19.99
SC-900: Security, Compliance, and Identity Udemy
SC-900: Security, Compliance, and Identity
MOOC / Non-credit
USD 34.99
MongoDB Associate Developer Exam – 1300+ Questions Udemy
MongoDB Associate Developer Exam – 1300+ Questions
Certificate
USD 24.99
Google Cloud Professional Cloud Architect Practice Exams Udemy
Google Cloud Professional Cloud Architect Practice Exams
Certificate
USD 19.99
20時間で【Linux】マスター！！基礎、シェルスクリプト、Docker基礎、ネットワーク 、セキュリティを体系的に解説 Udemy
20時間で【Linux】マスター！！基礎、シェルスクリプト、Docker基礎、ネットワーク 、セキュリティを体系的に解説
MOOC / Non-credit
USD 84.99
AWS SysOps Administrator Associate - 2019 Udemy
AWS SysOps Administrator Associate - 2019
Certificate
USD 99.99
【AWS DOP-C02問題集】AWS DevOps エンジニア - プロフェッショナル 実践テストコース Udemy
【AWS DOP-C02問題集】AWS DevOps エンジニア - プロフェッショナル 実践テストコース
Certificate
USD 29.99
CompTIA Server+ Certification (SK0-005) Practice Exam 2026 Udemy
CompTIA Server+ Certification (SK0-005) Practice Exam 2026
Certificate
USD 19.99
Cisco CCNP CCIE Enterprise 350-401 ENCOR: Practice Test 2025 Udemy
Cisco CCNP CCIE Enterprise 350-401 ENCOR: Practice Test 2025
MOOC / Non-credit
USD 39.99
CompTIA Security+ SY0-701 Eğitim Kursu | Comptia Security + Udemy
CompTIA Security+ SY0-701 Eğitim Kursu | Comptia Security +
Certificate
USD 199.99
GitHub Administration Certification GH-100 Practice Exams Udemy
GitHub Administration Certification GH-100 Practice Exams
MOOC / Non-credit
USD 19.99
Certified Kubernetes Administrator (CKA) Practice Test Udemy
Certified Kubernetes Administrator (CKA) Practice Test
Certificate
USD 19.99
A+ 220-1102 — Domain 2: Security Udemy
A+ 220-1102 — Domain 2: Security
Certificate
USD 79.99

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.