Free online coursesCyber Security

Explore our range of 18 free online courses in Cyber Security, all offering complimentary certification. Dive into topics such as Computer Systems Security, Cyber Security, Information Security Lessons, IT Security, and Cyber Security Masterclass. Enhance your skills with Network Penetration Testing, Cryptography, Information Security Management Fundamentals, and the CompTIA Security course, all designed to boost your career in the field.

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Video courses

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Audio courses

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Text courses

Free online courses on Cyber Security

Free Ebook + Audiobooks! Learn by listening or reading!

Threat Modeling for Beginners: How to Think Like an Attacker to Build Safer Systems

Learn threat modeling step by step to identify risks, prioritize threats, and design safer systems with practical cyber security habits.

Security Operations Center (SOC) Fundamentals: How Blue Teams Detect, Triage, and Respond

Learn SOC fundamentals including detection, triage, investigation, and response to build practical cyber security defense skills.

Building a Practical Cyber Security Learning Path: From First Concepts to Hands-On Defense

Learn a practical cyber security learning path from fundamentals to hands-on defense, including hardening, monitoring, and incident response.

An Introduction to Node.js: Building Fast and Efficient Backends

Discover what Node.js is, its key features, and why it’s a top choice for building fast, scalable, and efficient backend applications.

A Beginner’s Guide to Progressive Web Apps: Bridging Native and Web Experiences

Learn how Progressive Web Apps (PWAs) blend web and native features to deliver fast, secure, and offline-capable user experiences across all devices.

Unlocking the Secrets: An Introduction to Digital Forensics in Cyber Security

Digital forensics uncovers digital evidence to solve cybercrimes, supports legal action, and strengthens security, offering growing career opportunities in tech and law enforcement.

The Role of Digital Forensics in Cyber Incident Response

Digital forensics is key in incident response—helping uncover what happened, secure evidence, and support legal action after a cyberattack.

Digital Forensics Tools: Essential Software for Modern Investigations

Explore essential tools used in digital forensics to uncover, preserve, and analyze cyber evidence—key for solving crimes and securing digital environments.

What are people saying about free online courses of Cyber Security

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Masooma Batool

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GCD(529,123): 529 mod 123 = 37 123 mod 37 = 12 37 mod 12 = 1 12 mod 1 = 0 → GCD = 1 (co-prime)

CourseCryptography and Network Security

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MB

Masooma Batool

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n=3009. √3009≈55. 55²=3025, 3025-3009=16=4². So factors: (55-4)(55 4)=51×59.

CourseCryptography and Network Security

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Johannes Sheriff

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Am lost. The terminologies are too much.

CourseComputer systems security

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Masooma Batool

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Solve 2^X \equiv 4 \pmod{7}. Powers of 2 mod7: 2^1=2, 2^2=4, 2^3=1, 2^4=2, ... So 2^2 \equiv 4 \pmod{7}. Thus X=2.

CourseCryptography and Network Security

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Josephine Serebour

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I love this content as it gives me simple understanding to IT Basics.

CourseIT Security

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Khetre Dk

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Notice cource. if you know you know!!

CourseComputer systems security

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Dennis Jim

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Indepth knowledge of computer network security.

CourseComputer systems security

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MB

Masooma Batool

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1. Solve 11^{23} \mod 187 . First, express the exponent 23 in binary: 23 = 16 4 2 1 = 10111_2 . Now, compute powers of 11 modulo 187:

CourseCryptography and Network Security

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Rich Rios

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Just finished CS Intro Part 1 — Eli’s teaching style is great and funny. I’ll post another review after a few more sections.

CourseCyber Security

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Rashid

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can I get a job with only this certificate?

CourseCyber security full course

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Also learn about

Explore Free Cyber Security Courses with Certification

With the increasing importance of protecting digital information, understanding cyber security has never been more critical. We offer 18 free online courses designed to enhance your knowledge and skills in various aspects of cyber security. These courses are ideal for anyone looking to safeguard computer systems, networks, and digital assets from cyber threats.

Our courses cover a broad range of topics including Computer Systems Security, Cyber Security, Information Security Lessons, Cyber Security Full Course, IT Security, Cyber Security Masterclass, Network Penetration Testing Course, Information Security Management Fundamentals, Cryptography, and Network Security.

You will also find advanced topics such as Introduction to Cybersecurity, Advanced Topics in Cryptography, Cyber Security CISSP Exam preparation, and the CompTIA Security Course. Each course is designed to provide practical skills and knowledge that can be applied directly to protect digital information against unauthorized access and cyber threats.

Moreover, upon completion of these courses, you will receive a free certification to validate your newfound skills.

To start learning, you'll need to install the Cursa application on your mobile device. Android users can download the app from the Google Play or at App Store ( Apple ).

About more courses from our platform

In all, there are more than 1000 courses, divided into more than 400 categories in 5 different languages, where we provide the digital certificate for free to everyone.

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Free Certificate


After completing the course you will have free access to the digital certificate of course completion.


How to get it for free: It is only possible to issue the certificate in our application, which can be downloaded from Google Play or App Store, so you can take the online course here and use the app only to issue the certificate. Being that you can also take the courses through the app if you wish.


In digital format: After completing the course and generating the certificate through the application, the image of the same will be generated in the photo gallery of your cell phone and will also be sent to your email.


Why the certificate is important: You can use it to improve your resume, to rise in careers or positions, to enrich your knowledge and among several other applications.


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