Best Free Cybersecurity Resources for You
Cybersecurity professionals are in high demand due to the growing number of cyberattacks targeting businesses, governments, and individuals. As threats continue to evolve, so must the skills and knowledge required to combat them.
Access to quality training is crucial for those looking to build a career in cybersecurity or enhance their current skill set. Fortunately, numerous free cybersecurity resources are available that provide comprehensive training for both beginners and experienced professionals.
This article will explore the best free cybersecurity resources, ranging from hands-on Capture the Flag (CTF) challenges to in-depth online courses and free government training programs.
Whether you’re just starting or looking to refine your expertise, these resources offer a wealth of information that can help you stay ahead of emerging cyber threats. Let’s dive into the top options available.
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Why Free Cybersecurity Resources Are Essential
In an industry where skills are constantly evolving to keep up with new threats, having access to quality educational materials is critical. Cybersecurity is unique in that hands-on experience is just as valuable as theoretical knowledge.
However, traditional education options like university degrees and certification programs can be costly, putting them out of reach for many aspiring cybersecurity professionals.
This is where free cybersecurity resources come in. These resources level the playing field by offering high-quality content without the financial burden. Whether you’re looking to enter the field, earn certifications, or stay updated on the latest threats, these free resources can provide the knowledge and tools you need.
They cover a broad spectrum, from government-sponsored training to open-source communities that allow you to practice hacking in a controlled environment.
Moreover, cybersecurity professionals must maintain a proactive approach to learning, as the landscape is ever-changing. Free resources are often continuously updated to reflect the latest challenges and solutions, ensuring that learners have access to relevant information.
For beginners, these resources offer an accessible gateway into the cybersecurity world. For more advanced professionals, they serve as invaluable tools for maintaining expertise and staying ahead of new cyber threats.
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Top Cybersecurity Resources for Beginners
Finding the right resources can be overwhelming for those just stepping into the world of cybersecurity. Fortunately, many platforms are tailored specifically to beginners, providing structured learning paths, practical challenges, and community support to help build foundational skills. Here are some of the best cybersecurity resources for beginners:
1. Cybrary
A leading name in cybersecurity education, Cybrary offers a comprehensive library of free and paid courses suitable for all levels. Beginners will find a wealth of introductory content on topics such as secure coding, cryptography, and network security.
With over 500 courses available, Cybrary is designed to help users progress from foundational knowledge to advanced technical skills. The platform’s community features, including forums and study groups, allow beginners to engage with experienced professionals for support and mentorship.
2. SANS Cyber Aces Online
Created by the SANS Institute, SANS Cyber Aces Online is one of the most reputable free cybersecurity resources available for beginners. The platform provides self-paced courses that introduce learners to the essential skills required to assess and protect information systems.
This resource includes tutorials, videos, and quizzes, making it a well-rounded starting point for anyone looking to understand the core concepts of cybersecurity.
3. Springboard’s Foundations of Cybersecurity
Springboard’s Foundations of Cybersecurity offers over 38 hours of free content for those looking for a structured yet beginner-friendly course. The course is divided into 9 core modules that cover key topics like cryptography, penetration testing, and risk management.
It also offers hands-on tools to help learners understand how to prevent cyberattacks, making it one of the best resources for newcomers to the field.
4. Open Security Training
While it may appear minimalistic, Open Security Training provides a solid collection of free courses aimed at beginners. It covers fundamental topics like Android security and x86 virtualization, with materials updated regularly by a team of instructors.
This open-source platform is an ideal resource for learners who prefer self-guided education and want to dive deeper into specific areas of interest.
5. US Department of Homeland Security Cybersecurity Training
Surprisingly, the US Department of Homeland Security (DHS) offers valuable cybersecurity learning resources for beginners. DHS provides 11 free courses on its online portal, focusing on the security of industrial control systems and current vulnerabilities in critical infrastructure.
These courses help learners understand the broader scope of cybersecurity while gaining hands-on knowledge in real-world scenarios.
These resources form an excellent starting point for beginners, offering a balance between theory and practical application to help learners build a strong foundation in cybersecurity.
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Free Cybersecurity Resources for Intermediate and Advanced Learners
As cybersecurity professionals progress, their learning needs evolve to include more advanced concepts, hands-on experience, and specialized tools.
For those at the intermediate or advanced level, free resources offer opportunities to hone specific skills, engage in real-world hacking challenges, and dive deeper into the technical aspects of cybersecurity. Here are some of the best free cybersecurity resources for intermediate and advanced learners:
1. Hacker101
Hacker101 is a fantastic resource for those interested in penetration testing and web security. Developed by HackerOne, this platform offers free, open-source video lessons covering a wide range of topics, from basic security concepts to advanced hacking techniques.
What makes Hacker101 unique is its integration with real-world Capture the Flag (CTF) challenges, allowing learners to apply what they’ve learned in simulated environments.
2. Hack The Box
For a hands-on, community-driven approach to learning, Hack The Box provides hacking challenges that range from beginner to advanced levels. The platform offers a variety of virtual machines designed to simulate real-world security vulnerabilities.
Users can attempt to “hack” into these machines using various tools and techniques, making Hack The Box one of the most engaging platforms for intermediate and advanced learners. It is also a valuable resource for practicing skills in penetration testing, reverse engineering, and vulnerability analysis.
3. Exploit Database
The Exploit Database is a comprehensive archive of publicly available exploits and vulnerabilities, offering a wealth of information for security researchers and advanced learners. This free resource allows users to explore past vulnerabilities, understand how they were exploited, and practice crafting solutions to prevent similar attacks.
For those interested in reverse engineering and vulnerability research, Exploit Database is an invaluable tool for staying up to date on the latest threats.
4. Damn Vulnerable Web Application (DVWA)
For those focused on web application security, Damn Vulnerable Web Application (DVWA) is a must-try platform. DVWA is a PHP/MySQL web application designed to help security professionals test their skills in identifying and exploiting vulnerabilities.
It provides a safe environment for learners to practice hacking, including SQL injection, cross-site scripting (XSS), and more, making it a great choice for advanced learners looking to sharpen their web security skills.
5. Root Me
Root Me is another excellent platform for honing hacking skills. It offers more than 400 challenges, including cryptography, steganography, and reverse engineering, along with real-world scenarios like system vulnerabilities. With challenges categorized by difficulty, Root Me is perfect for learners who want to progressively improve their skills.
These resources provide intermediate and advanced learners with the tools and environments needed to refine their expertise. Whether through virtual machines, real-world challenges, or in-depth vulnerability analysis, these platforms are essential for those looking to push their cybersecurity skills further.
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Best Websites to Learn Cybersecurity for Free
For learners at all levels, finding the best websites to learn cybersecurity for free is essential for continuous growth and development.
The internet is home to numerous platforms that provide high-quality, free educational resources, ranging from theory-based courses to hands-on training. Below are some of the top websites where you can start or expand your cybersecurity journey.
1. Cybrary
As mentioned earlier, Cybrary is one of the largest and most comprehensive platforms for cybersecurity training. With over 500 courses available for free, Cybrary offers lessons on everything from ethical hacking to secure coding.
The platform also provides structured learning paths for individuals preparing for certifications, making it one of the best websites to learn cybersecurity for free. Whether you’re a beginner or an advanced learner, Cybrary has something for everyone.
2. Capture the Flag Platforms: CTFd and CTFtime
CTFd is an open-source platform designed for running Capture the Flag (CTF) games. It is widely used by educational institutions, cybersecurity competitions, and professional training environments.
If you’re looking for a place to practice your hacking skills, CTFtime offers a public directory of all ongoing CTF competitions. Both platforms provide an excellent way to engage in hands-on learning and apply your knowledge to real-world problems.
3. PortSwigger Academy
PortSwigger Academy is a free online platform focusing specifically on web security. It offers both beginner and advanced courses, as well as hands-on labs that allow users to practice various hacking techniques, such as cross-site scripting (XSS) and SQL injection.
The platform is an excellent resource for anyone looking to specialize in web application security. With a clear structure and interactive challenges, it ranks as one of the best platforms to learn web security for free.
4. Hacksplaining
Hacksplaining simplifies complex cybersecurity concepts, making them more accessible to beginners and professionals alike. This free platform explains common vulnerabilities and attacks in a straightforward manner, providing real-world examples that make it easier to grasp key concepts.
It’s an ideal resource for developers and security professionals who want to understand the risks associated with their work and how to mitigate them.
5. Open Security Training
For learners who prefer a self-paced and open-source learning environment, Open Security Training provides free, in-depth content on topics such as x86 architecture, Android security, and exploitation techniques.
While it may seem minimalist, the platform offers an abundance of material for learners at all levels, with courses continually updated by a team of experienced instructors.
Each of these websites provides unique learning opportunities, whether through video lessons, hands-on labs, or interactive games. The combination of comprehensive content, community support, and practical exercises makes these platforms some of the best resources to learn cybersecurity at no cost.
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Best Cybersecurity-Resources on GitHub
GitHub is a treasure trove for open-source cybersecurity tools, scripts, and learning materials. It’s a platform where developers and security professionals share their projects, contributing to the larger community.
For learners and professionals alike, cybersecurity-resources GitHub repositories offer an incredible range of tools and educational content that help sharpen practical skills. Here are some of the best cybersecurity resources available on GitHub:
1. Awesome Security
The Awesome Security repository is one of the most comprehensive lists on GitHub. It curates tools, books, tutorials, blogs, and other resources related to a wide array of cybersecurity topics.
From penetration testing frameworks to data privacy resources, this repository covers nearly every aspect of security, making it an essential go-to for anyone in the field. It is constantly updated, ensuring that learners have access to the latest tools and research.
2. CTF Field Guide
Capture the Flag (CTF) challenges are an excellent way to learn cybersecurity, and the CTF Field Guide repository on GitHub is a fantastic resource for those preparing for these competitions. It provides guidelines on how to approach different types of challenges, such as cryptography, web vulnerabilities, and reverse engineering.
The repository also includes links to other CTF-related tools and platforms, making it a valuable resource for both beginners and seasoned CTF players.
3. Infosec Cheat Sheets by Lenny Zeltser
Lenny Zeltser, a well-known cybersecurity expert, has compiled a collection of cheat sheets that are invaluable for cybersecurity professionals. These cheat sheets, available on his GitHub repository, cover topics such as malware analysis, incident response, and cloud security.
Whether you need a quick reference for commands or a refresher on core concepts, this resource is incredibly helpful for day-to-day tasks in cybersecurity.
4. OpenVAS
Open-source security tools are an essential part of the cybersecurity professional’s toolkit, and OpenVAS is one of the most widely used vulnerability scanning tools. Available on GitHub, OpenVAS allows users to conduct comprehensive vulnerability assessments on networks and applications.
The tool is especially useful for security professionals conducting penetration tests and vulnerability assessments for businesses and organizations.
5. Scumblr
Developed by Netflix, Scumblr is an open-source project available on GitHub that helps security professionals monitor and respond to security risks across the web. It’s particularly valuable for detecting phishing attacks and monitoring online threats in real-time.
By contributing to and using GitHub’s resources like Scumblr, security teams can stay ahead of potential vulnerabilities and protect their systems more effectively.
GitHub’s open-source community is a crucial resource for cybersecurity learners and professionals. The cybersecurity-resources GitHub repositories provide access to cutting-edge tools, educational content, and collaborative learning, making it easier to stay updated with the latest advancements in the field.
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Free Government Cybersecurity Training Programs
Government-sponsored cybersecurity training programs are some of the most reliable and in-depth resources available, especially for professionals looking to meet industry standards or comply with regulatory requirements.
These programs often provide a mix of theoretical knowledge and practical application, ensuring that learners gain a solid understanding of how to protect critical infrastructure and sensitive information. Here are some of the top free government cybersecurity training programs available:
1. Cybersecurity and Infrastructure Security Agency (CISA)
The Cybersecurity and Infrastructure Security Agency (CISA), part of the U.S. Department of Homeland Security, offers a wealth of free cybersecurity resources for individuals and organizations. CISA’s Cyber Essentials Starter Kit is particularly useful for small and medium-sized businesses looking to improve their security posture.
The kit includes a comprehensive set of guidelines and tools to help businesses secure their operations against common cyber threats. CISA also offers a range of online training courses that cover everything from basic cybersecurity awareness to more advanced topics like incident response and vulnerability management.
2. NIST (National Institute of Standards and Technology)
NIST is a key player in setting cybersecurity standards, and its free resources are invaluable for organizations looking to build a robust security framework.
The NIST Cybersecurity Framework is widely adopted by businesses, and NIST offers free tools and training materials to help implement these guidelines. Their resources are ideal for both IT professionals and cybersecurity teams tasked with improving their organization’s security protocols.
3. Federal Virtual Training Environment (FedVTE)
The Federal Virtual Training Environment (FedVTE) is a free online cybersecurity training resource designed for U.S. government employees at the federal, state, and local levels. However, it’s also available to military personnel and veterans.
FedVTE offers courses ranging from basic security awareness to more advanced topics like penetration testing and forensics. This platform is ideal for professionals looking to advance their careers in government cybersecurity roles. With over 800 hours of free training, FedVTE is one of the most comprehensive free government cybersecurity training resources.
4. Australian Cyber Security Centre (ACSC)
For small businesses and organizations in Australia, the Australian Cyber Security Centre (ACSC) provides a dedicated Small Business Cyber Security Guide. This guide includes practical tips on securing systems, protecting sensitive data, and mitigating common threats like ransomware and phishing attacks.
The ACSC also offers free educational resources, webinars, and tools to help businesses improve their cybersecurity defenses.
5. European Union Agency for Cybersecurity (ENISA)
The European Union Agency for Cybersecurity (ENISA) is responsible for helping businesses and governments across the EU improve their cybersecurity strategies. ENISA provides free online training, publications, and tools to help small businesses enhance their security protocols.
Their cybersecurity guides are particularly useful for SMEs (small and medium enterprises) looking to implement best practices without the financial burden of hiring external consultants.
These free government cybersecurity training programs are valuable resources for professionals at all levels. They provide structured, authoritative content that helps individuals and organizations meet the highest security standards, making them an excellent option for anyone seeking free, high-quality cybersecurity education.
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Best Platforms for Continuous Learning and Certification Prep
As cybersecurity professionals advance in their careers, continuous learning and staying up-to-date with certifications are critical. Free platforms dedicated to certification preparation and ongoing learning provide the tools necessary to succeed in a rapidly evolving field.
Here are some of the best resources to learn cybersecurity and prepare for certifications without breaking the bank.
1. Cybrary
Cybrary stands out not only for its wide array of free courses but also for its focus on certification preparation.
The platform offers detailed courses for industry-recognized certifications like CompTIA Security+, Certified Ethical Hacker (CEH), and Certified Information Systems Security Professional (CISSP). Each course includes practice exams, study guides, and interactive labs to ensure learners are well-prepared for their exams.
Cybrary’s structured learning paths make it one of the best resources for both continuous learning and certification prep.
2. TechExam.net’s Certification Community
For those looking to prepare for cybersecurity certifications, TechExam.net provides a robust community where professionals share their experiences, study tips, and free resources.
The community covers certifications like CompTIA, ISACA, and CISSP, offering discussion forums, job notifications, and practical advice from individuals who have successfully completed these certifications. TechExam.net is an ideal resource for anyone needing a supportive network while preparing for certifications.
3. MIT OpenCourseWare
MIT OpenCourseWare is another excellent platform offering free access to a wide range of cybersecurity courses, including advanced topics like cryptography, network security, and cybersecurity policy.
Although the platform doesn’t offer formal certifications, its materials are widely regarded as high-quality academic content, making it a great resource for those looking to deepen their knowledge without the cost of traditional university education.
4. Coursera’s University of Maryland Cybersecurity Specialization
Coursera offers a Cybersecurity Specialization developed by the University of Maryland, which is available for free through auditing. This specialization covers key concepts such as cryptography, software security, and system security, with a focus on hands-on learning.
While formal certification requires payment, the course content itself is available for free, making it a valuable resource for learners aiming to solidify their cybersecurity knowledge.
5. Open Security Training
Open Security Training continues to be a reliable resource for continuous learning, with a variety of open-source courses covering topics like x86 architecture, mobile security, and reverse engineering.
Its focus on advanced security topics makes it an excellent choice for professionals preparing for higher-level certifications or those looking to specialize in specific areas of cybersecurity.
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Other Noteworthy Free Cybersecurity Resources
In addition to the widely known platforms and resources for cybersecurity training, there are several other noteworthy free cybersecurity resources that can enhance both theoretical knowledge and hands-on skills. These resources offer diverse learning experiences, from cheat sheets to webinars, that cater to various aspects of the cybersecurity field.
1. Cybrary InfoSec Cheat Sheets and Glossary
Cybrary doesn’t just provide comprehensive courses; it also offers an extensive collection of InfoSec cheat sheets and a glossary, which are excellent quick-reference tools for cybersecurity professionals.
Whether you’re preparing for an exam or need a quick refresher on key concepts, Cybrary’s cheat sheets cover topics like malware analysis, penetration testing, and security protocols. The glossary is also useful for breaking down complex cybersecurity terminology into simpler, more digestible explanations.
2. BrightTALK Webinars
BrightTALK offers a platform for cybersecurity professionals to access free, high-quality webinars hosted by industry experts. These webinars cover a range of current cybersecurity topics, including mobile security, data protection, and the latest in malware threats.
BrightTALK’s IT Security community boasts over 200,000 professionals, making it a valuable resource for staying informed on the latest developments in the cybersecurity world.
3. CompTIA Career Roadmap
For those looking to navigate their cybersecurity career, CompTIA’s Career Roadmap provides clear guidance on certifications and career paths. The roadmap outlines a structured path from entry-level certifications, such as CompTIA Security+, to more advanced qualifications like CISSP or CISM.
It’s a free tool designed to help professionals understand which certifications are most aligned with their career goals, and the skills needed to achieve them.
4. Lenny Zeltser’s Security Cheat Sheets
Lenny Zeltser, an established cybersecurity expert and SANS Institute instructor, has compiled a collection of security cheat sheets that are particularly useful for professionals working in malware analysis and incident response.
These cheat sheets offer quick references on a wide range of topics, such as Linux commands, file forensics, and reverse engineering techniques. They’re available for free and are invaluable for cybersecurity professionals looking to streamline their workflows.
5. BeyondTrust’s Webinars
BeyondTrust provides a series of webinars, called “WebCasts,” that dive deep into the latest cybersecurity challenges and solutions. These webinars feature expert analysis of real-world threats and offer strategies for defending against them. The webinars are free and provide actionable tips that can be immediately applied to improve organizational security measures.
These additional resources complement formal learning and certification preparation, offering valuable insights, practical tools, and ongoing education. Whether you’re looking for quick references, engaging webinars, or strategic career guidance, these platforms provide a wealth of cybersecurity learning resources to help you succeed in your cybersecurity journey.
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Conclusion
The wealth of free cybersecurity resources available today makes it easier than ever to enter the field, stay updated on new threats, and prepare for certification exams.
From beginner-friendly platforms like Cybrary and SANS Cyber Aces Online to more advanced tools like Hack The Box and GitHub repositories, these resources offer something for everyone. Whether you’re seeking to build foundational skills or expand your expertise in niche areas, these platforms provide accessible, high-quality training.
The combination of practical challenges, continuous learning opportunities, and government-sponsored programs ensures that cybersecurity professionals at all levels have the tools they need to succeed.
FAQ
Here are the answers to your FAQs:
Where can I learn cybersecurity for free?
You can learn cybersecurity for free on a variety of platforms that offer high-quality, comprehensive resources. Some of the best platforms include:
Cybrary: Offers over 500 free courses for beginners to advanced learners.
SANS Cyber Aces Online: Provides free training on core cybersecurity skills.
MIT OpenCourseWare: Free academic-level courses on topics like cryptography and network security.
Hacker101: Open-source lessons and Capture the Flag (CTF) challenges for hands-on learning.
Federal Virtual Training Environment (FedVTE): Free online training available to U.S. government employees, military personnel, and veterans.
PortSwigger Academy: Free web security training with hands-on labs.
Is Microsoft giving out free cybersecurity tools?
Microsoft offers several free cybersecurity tools and resources to help individuals and businesses secure their digital environments. Notable free tools include:
Microsoft Security Essentials: Provides basic malware protection for Windows systems.
Microsoft Defender Antivirus: A built-in antivirus tool for Windows that offers real-time protection against malware.
Microsoft Cybersecurity Reference Architectures: Guides and frameworks to help organizations secure their cloud and on-premise environments. Additionally, Microsoft offers cybersecurity learning paths and certifications through its Microsoft Learn platform, some of which are available for free.
Which is the best source to learn cybersecurity?
The best source to learn cybersecurity depends on your level of expertise and your specific learning preferences. Some of the top platforms include:
Cybrary: Known for its extensive library of courses, covering topics from penetration testing to secure coding.
Coursera (University of Maryland’s Cybersecurity Specialization): Provides a structured approach to learning fundamental and advanced cybersecurity concepts.
Hacker101: Ideal for hands-on learners who prefer practicing with real-world challenges.
SANS Institute: While much of their content is paid, the SANS Cyber Aces Online program is a top free resource for learning core cybersecurity skills.
Which is the best free bootcamp for cybersecurity?
While there are many bootcamps available, most tend to have a cost associated with them. However, a few platforms offer free cybersecurity bootcamp-like experiences:
Cybrary: Offers free, structured learning paths that are similar to bootcamp formats, focusing on a range of cybersecurity topics.
SANS Cyber Aces Online: Provides a bootcamp-style experience with self-paced courses that cover fundamental cybersecurity skills.
Springboard’s Foundations of Cybersecurity: While technically not a bootcamp, it offers over 38 hours of free content for beginners, making it one of the most comprehensive free resources available.
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