Welcome to the 90 Days of Cybersecurity challenge!
This repository provides a structured, 90-day self-paced study plan designed to help learners build a strong foundation in cybersecurity. Whether you're a beginner looking to break into the field or a professional aiming to sharpen your skills, this roadmap offers a wide range of curated resources, hands-on tasks, and learning materials.
The daily modules cover essential and advanced topics, including:
- Networking fundamentals (Network+)
- Security principles (Security+)
- Linux basics and shell scripting
- Python programming for security tasks
- Traffic analysis and packet inspection
- Version control with Git
- SIEM tools and log analysis using the ELK stack
- Cloud security with GCP, AWS and Azure
- Penetration testing and ethical hacking
Each day is designed with actionable tasks, tutorials, and reading materials to help you stay on track. For a full list of resources, refer to LEARN.md.
The primary goal of this 90-day plan is to help learners:
- Build a solid foundation in core cybersecurity concepts and practices.
- Gain hands-on experience through daily exercises and real-world tools.
- Develop the technical skills necessary for certifications such as CompTIA Network+ and Security+.
- Explore key domains including network security, system hardening, cloud security, scripting, and ethical hacking.
- Cultivate a consistent learning habit over 90 days to support long-term retention and growth.
By the end of this journey, you should feel confident navigating a variety of cybersecurity tools, concepts, and techniques.
This repository is ideal for:
- Aspiring cybersecurity professionals preparing for entry-level roles or certifications.
- IT professionals transitioning into a security-focused career.
- Students studying computer science, information systems, or network engineering.
- Self-learners seeking a structured and comprehensive study plan.
- Developers and DevOps engineers looking to better understand secure infrastructure and threat detection.
- Anyone curious about how cybersecurity works in real-world environments.
No prior experience is required, though basic familiarity with computers, networks, or programming will be helpful.
- Watch videos from Professor Messer's N10-009 Playlist
- Complete any related practice questions or exercises.
- Watch the videos from Professor Messer's SY0-701 Playlist
- Watch Pete Zerger's SY0-701 Playlist
- Complete any related practice questions or exercises.
- Browse through the Linux Journey tutorials: https://linuxjourney.com/
- Complete Linux Unhatched on Cisco NetAcad: https://www.netacad.com/courses/linux-unhatched
- Complete Codecademy's Learn Python Track: https://codecademy.com/learn/learn-python
- Python.org: https://www.python.org/
- Real Python: https://realpython.com/
- Talk Python to Me: https://talkpython.fm/
- Read "Learn Python the Hard Way": https://learnpythonthehardway.org
- HackerRank Python: https://www.hackerrank.com/domains/python
- Take the Wireshark University course: https://www.wireshark.org/#educationalContent
- Follow the Wireshark Tutorial on guru99: https://guru99.com/wireshark-tutorial.html
- Read through the TCPdump Tutorial on DanielMiessler: https://danielmiessler.com/study/tcpdump/
- Read through the Suricata on pfSense guide: https://doc.pfsense.org/index.php/Suricata
- Wireshark Tutorial for Beginners series https://www.youtube.com/watch?v=NjvR4LmwcMU&list=PLBf0hzazHTGPgyxeEj_9LBHiqjtNEjsgt&pp=iAQB
- Suricata Network IDS/IPS https://www.youtube.com/watch?v=S0-vsjhPDN0&pp=ygUhIFN1cmljYXRhIElEUy9JUFMgU3lzdGVtIFR1dG9yaWFs
- Complete Codecademy's Git for Beginners course: https://codecademy.com/learn/learn-git
- Follow the Git Immersion tutorial: http://gitimmersion.com
- Try Git: https://try.github.io
- Use Learn Git Branching for an interactive Git CLI simulator.
- Follow the ELK Stack Tutorial on Logz.io: https://logz.io/learn/complete-elk-stack-tutorial/
- Browse through the ELK Stack tutorials on Elastic: https://elastic.co/learn/elastic-stack
- Explore the GCP Getting Started Resource : https://cloud.google.com/getting-started/
- Google Cloud Platform Documentation: https://cloud.google.com/docs/
- Google Cloud Platform Blog: https://cloud.google.com/blog/
- Google Cloud Platform Community: https://cloud.google.com/community/
- Try hands-on challenges with Google Cloud Skills Boost
- Explore the AWS Getting Started Resource Center: https://aws.amazon.com/getting-started/
- Browse through the AWS Tutorials: https://aws.amazon.com/tutorials/
- Learn through gamified labs on AWS Cloud Quest
- Go through Azure Fundamentals: https://learn.microsoft.com/en-us/training/azure/
- Complete the Microsoft Learn Azure labs with sandbox environments
- Try to hack the challenges on Hack the Box: https://hackthebox.com
- Practice on vulnerable machines on Vulnhub: https://vulnhub.com
- Ethical Hacking Part 1: https://www.youtube.com/watch?v=3FNYvj2U0HM&ab_channel=TheCyberMentor
- Ethical Hacking Part 2: https://www.youtube.com/watch?v=sH4JCwjybGs&ab_channel=TheCyberMentor
- Use the provided resume template: https://bowtiedcyber.substack.com/p/killer-cyber-resume-part-ii
- Cybersecurity Resume Template: https://www.indeed.com/career-advice/resumes-cover-letters/cybersecurity-resume
- Cybersecurity Resume from Resume-Now: https://www.resume-now.com/templates/cyber-security-resume This template also has sections for skills, certifications, and experience, along with a summary, and a section for education. It also includes a section for technical skills.
Search for jobs on Indeed: https://indeed.com Look for opportunities on LinkedIn: https://linkedin.com
Thank you for being a part of the 90DaysOfCyberSecurity community! We appreciate everyone who helps improve our content.
- Documentation: Improve or add to the study material and guides.
- Tutorials & Guides: Create or enhance tutorials explaining complex concepts.
- Suggested Resources: Recommend useful tools, articles, books, or other resources.
- Ideas / Topics: Suggest new topics to be added to the learning materials.
- Review & Feedback: Provide feedback on existing materials and suggest improvements.
- Community Support: Answer questions and help others in discussions or issues.
- Tests & Quizzes: Add quizzes, challenges, or tests to check learning progress.
- Real-World Applications: Share real-life examples or case studies of cybersecurity practices.
- Mentoring: Help others with study advice, tips, or hosting study sessions.
Thank you to all contributors for your amazing work! 🎉
Thanks goes to these wonderful people (emoji key):
 Farhan Ashraf 📖 |
 Wanderer479 📖 |
 Muhammad Mahad 📖 |
 André Oliveira 📖 |
 arbenp 📖 🐛 |
This project follows the all-contributors specification. Contributions of any kind welcome!