15 Best System Security Courses on Udemy
We compared 15 System Security courses currently listed on Udemy, priced from $19.99 to $199.99. They are ordered by our CourseAsk score, which is built from how thoroughly each course describes what it teaches, whether it comes from a named institution, and how it compares on price — not from star ratings, which our course data does not include.
- Courses compared
- 15
- Price range
- $19.99 – $199.99
- Providers
- Udemy
- Last updated
- 30 Aug 2026
How these 15 courses were chosen
Every course below is a real, currently listed course from Udemy, matched to "system security" by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.
The grade on each entry scores how much the provider publishes about the course before you pay — the length and detail of the description, whether it lists learning outcomes and objectives — and whether a named university or institution stands behind it. A is fully documented and institution-backed; E is little more than a title and a price. Courses with almost nothing published are left ungraded rather than marked down, because an unknown course and a poor one are not the same thing.
There are no star ratings on this page — the course feeds we license do not include them, and we would rather leave a column out than fill it with a number we cannot stand behind. What we do have is price: these range from $19.99 to $199.99, as listed by the provider when we last updated the page.
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1
LINUX LPIC-2 (201-450) Mocks with Explanations (Unofficial)
|| LINUX LPI...
$19.99listed price -
2
AiU - Certified Tester in Artificial Intelligence (CTAI)
AiU - Certified Tester in Artificial Intelligence (CTAI) Course Details and Comprehensive Preparation. Welcome to the ultimate, meticulously crafted resource designed to elevate your professional profile and empower your...
$29.99listed price -
3
Linux LPIC-2 (202-450) Mocks with Explanations (Unofficial)
The || 202-450: LPIC-2 Linux Engineer Practice Tests || course is designed to help you strengthen your preparation for the LPIC-2 202-450 certification exam. This course offers a wide range of carefully structured practi...
$19.99listed price -
4
CompTIA Security+ :Viruses,Threats and Compromise Indicators
In this course, you will delve into the world of viruses & worms — two of the most common and destructive types of malware. You’ll gain a deep understanding of what they are, how they differ from each other, and the...
$139.99listed price -
5
Tests Pratiques Certification Linux LPIC-1
Cet ensemble de tests pour la certification Linux LPIC-1 est conçu pour aider les candidats à acquérir les compétences essentielles en administration de systèmes Linux. La certification LPIC-1 valide la capacité à gérer...
$19.99listed price -
6
Test prep 2026: Claude Certified Architect Foundations
Are you ready to become a certified expert in building systems with Claude? I made this practice test course to help you pass the Claude Certified Architect Foundations exam on your first try. I know how hard it can be t...
$19.99listed price -
7
ISSEP Information Systems Security Engineering Prof QA Test
ISSEP Information Systems Security Engineering Professional Exam Practice Test The Information Systems Security Engineering Professional (ISSEP) is a security leader who specializes in the practical application of system...
$24.99listed price -
8
Simulado LPIC-1 Administrador de Sistemas Linux
Simulado LPIC-1 Administrador de Sistemas Linux. A certificação de nível um do Linux Professional Institute é o padrão ouro para profissionais que buscam validar suas competências técnicas na administração básica de serv...
$34.99listed price -
9
Certified Kubernetes Security Specialist (CKS)
LEARN CERTIFIED KUBERNETES SECURITY SEPCIALIST (CKS) CERTIFICATION COURSE!New Content and Syllabus: The course follows the new CKS syllabus from CNCF.The course includes the following core bonuses:Bonus 1: Application an...
$99.99listed price -
10
Linux Administration: Benutzer und Gruppen
Von der Website der Linux Foundation:#Linux Foundation Certified System Administrator (LFCS) ist ideal für Kandidaten, die am Anfang ihrer Linux-Systemadministration oder Open-Source-Karriere stehen. LFCS wurde von der L...
$49.99listed price -
11
1Z0-902 Oracle Exadata Database Machine X9M Implementation
The Oracle Exadata Database Machine X9M is a state-of-the-art database machine that is designed to accelerate performance, improve scalability, and increase efficiency. In this practice test, you will have the opportunit...
$199.99listed price -
12
Mastering Operating Systems From Fundamentals to Advanced
Operating systems are at the heart of every computer, smartphone, and many other devices we use every day. This course is designed to help you understand how operating systems work from the inside out. You will explore w...
$19.99listed price -
13
Mastering Linux Commands
Unlock the full potential of Linux commands with our course designed to transform you into a command-line expert. Whether you're a beginner looking to grasp the basics or an intermediate user aiming to refine your...
$64.99listed price -
14
Learn Ethical Hacking & Penetration Testing
Welcome to Learn Ethical Hacking & Penetration Testing!This course will teach you the techniques used by professional penetration testers and ethical hackers world wide. By the end of it, you will have the skills to...
$199.99listed price -
15
Linux Antivirus Essentials
Hey Linux champions, listen up! We get it – your digital realm deserves the best defense. That's why "Linux Antivirus Essentials" isn't just a course; it's your VIP pass to a fortified, impenetrable Linux kingdom. Here's...
$19.99listed price
Best System Security Courses on Udemy compared
Prices shown are the provider's listed price when we last updated this page. Confirm on their site before enrolling.
What the prices here tell you
The 15 priced courses on this page run from $19.99 to $199.99, with the middle of the range around $29.99 — a spread of $180.00. That is a wide gap for one subject. A higher price on this page usually reflects who is behind the course rather than how much material it contains, so it is worth opening two or three at different price points and comparing their syllabus before deciding.
Who is behind these courses
These courses come from Udemy. Everything on this page is sold on the one platform, so the buying experience is the same whichever you pick.
Before you enrol
Open the provider’s own page and check three things this comparison cannot tell you: when the course was last updated, what the syllabus actually covers in its later sections, and what recent learners say. Prices shown here are the provider’s listed price when we last rebuilt this page on 30 August 2026 — they change often, and a promotion can move them substantially. We earn a commission if you enrol through our links, which costs you nothing and never affects the order courses appear in.