15 Best Availability Courses Online
We compared 15 Availability courses currently listed on Coursera, edX and Udemy, priced from $9.99 to $199.99. 13 of them teach the subject directly and 2 are built around a certification exam. 2 come from a named university or institution, including University of Colorado Boulder and Monash University. 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
- $9.99 – $199.99
- Providers
- Coursera, edX, Udemy
- Last updated
- 30 Aug 2026
How these 15 courses were chosen
Every course below is a real, currently listed course from Coursera, edX, Udemy, matched to "availability" by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.
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 $9.99 to $199.99, as listed by the provider when we last updated the page.
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1
Cybersecurity for Data Science
Offered by University of Colorado Boulder
This course aims to help anyone interested in data science understand the cybersecurity risks and the tools/techniques that can be used to mitigate those risks. We will cover the distinctions between confidentiality, int...
$99.00listed price -
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2
Try It: Cybersecurity Basics
Offered by Monash University
Do you want to add cybersecurity to your professional skill set? Join this free introductory course to learn cybersecurity basics — and without any prior experience. You’ll learn about the Confidentiality, Integrity, and...
Price on site -
3
![Google Professional Cloud Database Engineer [Exams 2026]](https://i.udemycdn.com/course/480x270/5297238_788b_6.jpg)
Udemy CertificateGoogle Professional Cloud Database Engineer [Exams 2026]
Google Professional Cloud Database EngineerPrepare for success with this course! Designed specifically to help aspiring cloud database engineers ace the Google Professional Cloud Database Engineer certification exam, thi...
$19.99listed price -
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4
Udemy CertificateAWS Solutions Architect Certification & Job Readiness Exams
AWS Certified Solutions Architect - Associate Comprehensive Mock Tests.This practice exam pack is built to measure exam-day readiness, not just memorize answers. You get five full-length mock exams that mirror AWS q...
$19.99listed price -
5
Udemy CertificateUltimate ISC2 CC Certified in Cybersecurity Masterclass
This Course contains the use of artificial intelligence.This course leverages AI-enhanced learning techniques to improve content delivery and the overall learning experience. All content is authored, scripted, and review...
$19.99listed price -
6
Udemy CertificateCISSP Certification : Domain 1 and Domain 2 - Updated
This is an ideal course for any student who is preparing for CISSP. The course content covers introduction to the certificate and also the first domain of CISSP in detail. Understand IT Security and Cyber Security from a...
$34.99listed price -
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7
Udemy CertificateCISSP Certification: Domains 1, 2, 3 & 4 Video Training-2021
In this CISSP Domain 1, 2, 3, and 4 video training course, I will provide you the knowledge, experience and practical skills you need to pass the CISSP certification. In addition, you will get my years of experience (Ove...
$74.99listed price -
8
Udemy CertificateCisco Network Security Master Class
***This course contains all of the lectures from my ASA Firewall Fundamentals course***In this course you will learn how to maintain integrity, confidentiality, and availability of data and devices. Master...
$199.99listed price -
9
Udemy CertificatePostgreSQL Partitioning. Before 2GB frontier
The partitioning is one of the important PostgreSQL features which may help you not only improve the performance of your application but also make your life easier as a software developer or database administrator....
$19.99listed price -
10
Udemy CertificateNorma ISO/IEC 27001 (2026)
Este curso oferece uma introdução completa aos fundamentos da norma ISO/IEC 27001, referência internacional para a gestão da segurança da informação. Com foco nas cláusulas do Sistema de Gestão de Segurança da Informação...
$34.99listed price -
11
Coursera MOOC / Non-creditSecurity Concepts and Practices
Offered by ISC2
Course 1 - Security Concepts and Practices This is the first course under the specialization SSCP. In this course, we will focus on the core aspects of security concepts and practice, starting with the importance of code...
$49.00listed price -
12
Coursera MOOC / Non-creditNetwork Defense Essentials: Hands-On Edition
Offered by EC-Council
The Network Defense Essentials (NDE) : Hands-On Edition course focuses on network security and defense strategies. Learners will understand the fundamentals of network security and its importance, comprehend the essentia...
$49.00listed price -
13
Amazon EFS Primer
Offered by Amazon Web Services
Are you a builder who is interested in using Amazon Elastic File System (Amazon EFS)? Do you want to understand how to get started with Amazon EFS? Then, this course is for you! Amazon EFS provides a practical, serverles...
$9.99listed price -
14
AZ-900 Microsoft Azure Fundamentals Practice - Exam Latest
As a candidate for this exam, you’re a technology professional who wants to demonstrate foundational knowledge of cloud concepts in general and Microsoft Azure in particular. This exam is a common starting point in a jou...
$19.99listed price -
15
Google Professional Cloud Database Engineer Exam Course
All questions in this course are carefully aligned with the official Exam Objectives for the Google Professional Cloud Database Engineer certification. By covering all key domains in detail, this course ensures that you’...
$19.99listed price
Best Availability Courses Online 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 14 priced courses on this page run from $9.99 to $199.99, with the middle of the range around $34.99 — a spread of $190.00. 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 Coursera, edX and Udemy. The platforms differ in how they sell: some charge once per course, others expect a subscription, and the listed price is not always what you pay at checkout after a promotion. 2 of these are produced by a named university or institution, including University of Colorado Boulder and Monash University — which usually means a fixed syllabus and a recognised certificate, rather than an individual instructor’s own course.
Courses versus exam preparation
2 of the entries here are built around a certification exam rather than teaching Availability from scratch. They are the right choice only if you already know the material and want to pass a specific exam; if you are starting out, pick one of the taught courses first and come back to exam preparation afterwards.
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.