90-Day Cybersecurity Study Plan

📚 Table of Contents

• Introduction
• Goals and Audience
• Daily Breakdown
  • Day 1-7: Network+ Concepts
  • Day 8-14: Security+ Concepts
  • Day 15-28: Linux Tutorials
  • Day 29-42: Python
  • Day 43-56: Traffic Analysis
  • Day 57-63: Git
  • Day 64-70: ELK
  • Day 71-77: GCP or AWS or Azure
  • Day 85-90: Hacking
  • Day 91-92: One Page Resume
  • Day 93-95: Where and How to Apply
• Contributing

📘 Introduction

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.

🎯 Goals and Audience

📌 Goals

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.

👥 Intended Audience

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.

Day 1-7: Network+

• Watch videos from Professor Messer's N10-009 Playlist
• Complete any related practice questions or exercises.

Day 8-14: Security+

Strongly Recommend Professor Messer's:

• Watch the videos from Professor Messer's SY0-701 Playlist

Another Alternative You Can Use:

• Watch Pete Zerger's SY0-701 Playlist

Additional Practice:

• Complete any related practice questions or exercises.

Day 15-28: Linux

• Browse through the Linux Journey tutorials: https://linuxjourney.com/
• Complete Linux Unhatched on Cisco NetAcad: https://www.netacad.com/courses/linux-unhatched
• Complete all Linux Hands-on Labs on LabEx: https://labex.io/free-labs/linux

Day 29-42: Python

• 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
• LabEx Learn Python by Labs: https://labex.io/free-labs/python

Youtube Course:

• https://www.youtube.com/watch?v=egg-GoT5iVk&ab_channel=TheCyberMentor

Day 43-56: Traffic Analysis

• 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

  Youtube:

• 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

Day 57-63: Git

• 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.

Day 64-70: ELK

• 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

Day 71-77: Cloud Platforms

Any one of them works fine.

GCP:

• 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

AWS

• 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

Azure

• Go through Azure Fundamentals: https://learn.microsoft.com/en-us/training/azure/
• Complete the Microsoft Learn Azure labs with sandbox environments

Day 85-90: Hacking

• Try to hack the challenges on Hack the Box: https://hackthebox.com
• Practice on vulnerable machines on Vulnhub: https://vulnhub.com

Youtube:

• 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