Free Information Security Courses

Learn Information Security to enhance your ability to protect information by mitigating information risks. Great Learning offers industry-relevant free Information Security courses to keep up with the evolving techniques. You have courses ranging from beginners to advanced levels like Introduction to Information Security, Cybersecurity, Types of Cybersecurity, and more. The demand for information security is increasing as the number and sophistication of cyberattacks grow. Enroll in these free courses and gain highly in-demand Information Security skills. Grab better job opportunities by flaunting your skills through free Information Security certificates. 

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Taught by industry experts and top faculty

Begin your learning journey

Key Highlights

certificate icon
Earn an industry-recognized certificate
flexible schedule icon
Start anytime, learn on your schedule
expert instructors icon
Taught by industry experts and top faculty

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PRO & UNIVERSITY PROGRAMS

Boost your career by mastering in-demand skills through expert guidance, AI-powered learning, and hands-on projects.

  • PG Program in Data Science & Data Management Systems

    McCombs School of Business at The University of Texas at Austin

    University icon University

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  • Free Information Security Courses

    Types of Cyber Security

    Great Learning Academy

    Types of Cyber Security

    star 4.51 · 60.7K+ learners · 0.5 hours

    Skills: Cyber Security, Information Security, Types of Cyber Security, IOT security, Mobile Security

    Free icon Free

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    Types of Cyber Security

    star 4.51 · 60.7K+ learners · 0.5 hours

    What you’ll learn:

    • What is Cyber Security?
    • Need of Cyber Security
    • Types of Cyber Security

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    Introduction to Information Security

    Great Learning Academy

    Introduction to Information Security

    star 4.43 · 2.1L+ learners · 1.5 hours

    Skills: Information Security, Hash, Cryptography, Breach and it's type

    Free icon Free

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    Introduction to Information Security

    star 4.43 · 2.1L+ learners · 1.5 hours

    What you’ll learn:

    • Attacker Lifecycle
    • Yahoo Breach
    • OPM Breach

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    PHP Coding with MySQL

    Great Learning Academy

    PHP Coding with MySQL

    18 learners · 2.0 hours

    Skills: PHP, PHP Features, PHP Syntax, PHP Variables, PHP Datatypes, PHP Operators, PHP Functions, PHP Arrays, PHP Strings, MySQL Database, PHP and MySQL Integration

    Free icon Free

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    PHP Coding with MySQL

    18 learners · 2.0 hours

    What you’ll learn:

    • Introduction to PHP & MySQL
    • PHP Syntax, Variables and Datatypes
    • PHP Operators & Functions

    View Course

    Types of Cyber Security

    Great Learning Academy

    Types of Cyber Security

    Skills: Cyber Security, Information Security, Types of Cyber Security, IOT security, Mobile Security

    star 4.51 · 60.7K+ learners · 0.5 hours
    Free icon Free

    View Course

    Introduction to Information Security

    Great Learning Academy

    Introduction to Information Security

    Skills: Information Security, Hash, Cryptography, Breach and it's type

    star 4.43 · 2.1L+ learners · 1.5 hours
    Free icon Free

    View Course

    PHP Coding with MySQL

    Great Learning Academy

    PHP Coding with MySQL

    Skills: PHP, PHP Features, PHP Syntax, PHP Variables, PHP Datatypes, PHP Operators, PHP Functions, PHP Arrays, PHP Strings, MySQL Database, PHP and MySQL Integration

    18 learners · 2.0 hours
    Free icon Free

    View Course

    Learner reviews of the Free Information Security Courses

    Our learners share their experiences of our courses

    4.47
    69%
    21%
    7%
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    Reviewer Profile

    5.0

    “A Comprehensive and Engaging Course”
    I found this course to be incredibly informative and well-structured. The curriculum covered all the essential topics in depth, and the instructor's explanations were clear and easy to understand. I particularly appreciated the practical exercises and real-world examples that helped reinforce the learning. The course was also well-paced, allowing me to progress at my own speed. Overall, it was a fantastic learning experience.

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    Reviewer Profile

    5.0

    “It was a Great Experience and Learning Something Today was Amazing”
    Thank you for the opportunity to participate in the free cybersecurity course. I started with the expectation of learning the basics of digital security, and the content was very well structured, covering everything from fundamental concepts.

    LinkedIn Profile

    Reviewer Profile

    5.0

    “This course was incredibly informative and engaging. The instructor made difficult concepts easy to grasp. Great learning experience!”
    This course was truly exceptional! The instructor's clear and concise explanations made even the most complex topics easy to understand. The course content was thoughtfully organized, and each module built upon the previous one, creating a seamless learning experience. The real-world examples and practical assignments allowed me to apply the concepts immediately, reinforcing my understanding. I especially appreciated the additional resources provided, which were incredibly helpful in deepening my knowledge. Overall, this course has greatly enhanced my skills and confidence in the subject. I highly recommend it to anyone looking to expand their expertise.

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    Reviewer Profile

    5.0

    “Insightful Learning Experience in Information Security”
    The course on Information Security was incredibly informative and engaging. The curriculum covered crucial topics in depth, which helped solidify my understanding of security principles. The instructor was knowledgeable and presented complex ideas clearly, making the content easy to grasp. Additionally, the quizzes provided practical application opportunities, enhancing my learning experience. Overall, this course has equipped me with essential skills in the field of cybersecurity.

    LinkedIn Profile

    Reviewer Profile

    4.0

    “The hands-on approach and interactive sessions made the learning experience exceptionally engaging and insightful. The practical examples and real-world applications helped solidify complex concepts and made them easier to understand.”
    I particularly enjoyed the clear and structured content delivery. The instructors were knowledgeable and approachable, creating a supportive environment for questions and discussions. The use of case studies and interactive activities greatly enhanced my understanding and retention of the material. Additionally, the well-organized resources and follow-up materials provided were invaluable for further study.

    LinkedIn Profile

    Reviewer Profile

    5.0

    “A Comprehensive and Engaging Course”
    I found this course to be incredibly informative and well-structured. The curriculum covered all the essential topics in depth, and the instructor's explanations were clear and easy to understand. I particularly appreciated the practical exercises and real-world examples that helped reinforce the learning. The course was also well-paced, allowing me to progress at my own speed. Overall, it was a fantastic learning experience.

    LinkedIn Profile

    Reviewer Profile

    5.0

    “Comprehensive and Engaging Course”
    I thoroughly enjoyed this course, especially the way it balanced theory with practical applications. The quizzes and assignments were well-structured and reinforced my learning. The instructor explained complex topics clearly, and the skills and tools provided are directly applicable to real-world projects. The curriculum was easy to follow, with a deep dive into essential concepts that boosted my understanding of the platform.

    LinkedIn Profile

    Empowering millions through professional learning

    Empowering millions through professional learning

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    Get Free Information Security Certificates

    Information security, also called data security, is the branch of computer science and information technology that deals with protecting data through encryption. When data is encrypted, it prevents unauthorized access to the individual’s or the organization’s data. It also helps prevent the misuse, disclosure, disruption, modification, inspection, recording, copying, and destruction of the owner’s data. It is an integral part of information risk management.

    Information security is driven by three main principles. It is called the CIA triad. CIA stands for Confidentiality, Availability, and Integrity. 

    • Confidentiality: The measures are taken to protect the data disclosure from unauthorized parties. The elementary purpose of this principle is to keep all personal data private. It ensures the visibility and accessibility of the data only to the authorized parties who own it or those who need it to perform the organizational operations.  
    • Integrity: It includes consistency of the data. It protects the data from unauthorized changes such as additions, deletions, alterations, etc., to the data. The elementary purpose of the integrity principle is to make sure that the data is accurate and reliable and the data is not modified incorrectly through accidental or malicious ways. 
    • Availability: It is the system's ability to protect the software and make sure that the system's data is wholly available whenever the user needs it or even at the specified time. The elementary purpose of the availability principle is to ensure technology infrastructure and applications. The data must be available when the customers or users need it for organizational purposes or for its customers. 

    Information security is broadly classified into:

    • Access control
    • Identification
    • Authentication
    • Authorization

    Information is secured through a process called encryption. This subject is called “cryptography.” Cryptography transforms the information into coded subjects while it is transferred. The authorized party can decode the information into a readable format using a cryptographic key. This process is called encryption. Cryptography is the method to prevent data leak or modification while it is transmitted electrically or physically. Digital signatures, message digests, authentication methods, non-repudiations, encrypted network communications are the different types of cryptography methods used to secure the data. 

    Information security has certain policies. They are called ISPs or Information security policies. ISP is a set of rules guiding when individuals use IT assets. Every organization can have its own set of policies to ensure that the employees and their users follow security protocols and measures. This ensures that only the authorized parties access the company’s sensitive system and data.

    Setting an effective security policy and taking measures to make sure of its compliance is a very crucial step to prevent and mitigate security threats. Updating the policy frequently based on the company changes, new threats, conclusions drawn from prior breaches, and changes in the security system tools has to be made to make sure that the policy is truly effective. It is necessary to deploy a set of expectations with the approval process to meet the needs and urgency of different departments in the organization. This has to enable departments and individuals to deviate from those rules under specific circumstances. 

    Information is not free from threats. This is why information or data has to be secured. Common threats are:

    • Unsecure systems: It is also called a poorly secured system. Speed and the development in technology often turn out to be a threat to security measures. In certain cases, systems are built without proper security. It remains in operation at the organization as a legit system. It is important for organizations to identify these poorly secured systems. It mitigates the threat by protecting, altering, decommissioning, or isolating them. 
    • Social media attacks: Almost three-fourths of the population have social media accounts. A lot of people tend to unintentionally share their personal information on social media platforms. Hackers attack this information by spreading malware through social media or indirectly by using information gained from these social media sites. This analyzes user and organization vulnerabilities. These are used to develop an attack against them. 
    • Social engineering.: It involves sending emails and messages to trick users into performing actions that may compromise their security and divulge their private information. This is done by manipulating users through psychological triggers such as urgency, fear, and curiosity. Organizations have to train their employees to identify these kinds of suspected social engineering messages. This will prevent users from clicking on the unknown links or downloading the unknown attachments. 
    • Malware on endpoints: Employees work with a huge variety of endpoint devices such as desktop computers, laptops, tablets, and mobile phones, which are privately owned. These are not under the organization's control. All of these are regularly connected to the internet. Malware is the primary threat to all these endpoints. This can be transmitted through various means and can result in compromise of the device. Traditional antiviruses are not capable of blocking all modern malware. Advanced methods like endpoint detection and response are developed to prevent this malware. 
    • Lack of encryption: It encodes the information so that only the authorized parties can access it through decoding with a secret key. It prevents data leaks or data loss, or data corruption in case of theft. This measure is overlooked because of the complexity and lack of legal obligations. Organizations are now securing their data in the cloud to ensure dedicated security tools. 
    • Security misconfigurations: There are a lot of technology platforms and tools for web applications, databases, SAAS (software as a service) applications, IAAS (information as a service) from providers available today. It is upto organization's choice to select from the plethora of availability. 

    The free “Information Security” course offered by Great Learning will take its subscribers through what the subject is and provide knowledge on various methods used to secure the data. The course will talk about various threats that can compromise users' information and the various measures that are supposed to be taken to prevent it. This course is designed for both working professionals and students who are aiming at getting into the IT sector. Information security is very important in governmental organisations as well. This free information security course will help you be aware of the kind of attacks that might happen and teach you ways to prevent it. You can also learn information security courses for free in your free time. You will gain a certificate for information security after the successful completion of the same. Happy learning!