This repository provides solutions to LeetCode problems for readers to review and use in coding practice.
Open source
24 alternatives90DaysOfCyberSecurity
This repository documents a 90-day cybersecurity study plan with topics for a staged learning schedule.
About 90DaysOfCyberSecurity
90DaysOfCyberSecurity is a free, open-source GitHub repository providing a structured, self-paced 90-day cybersecurity study plan. It organizes daily actionable tasks, curated resources, and learning materials across core cybersecurity domains, with no mandatory cost for all included content.
The plan is designed for beginners, career changers, students, and self-learners, with no prior experience required though basic familiarity with computers, networks, or programming is helpful. It covers foundational and advanced topics, with optional guidance for resume building and job searching.
Key features
- Structured 90-day daily self-paced study schedule
- Curated free resources for core cybersecurity topics
- Coverage of Network+, Security+, Linux, and Python
- Hands-on tasks for traffic analysis and ELK stack
- Cloud security content for AWS, Azure, and GCP
- Optional resume building and job search guidance
Best for: Aspiring cybersecurity professionals, career changers, students, and self-learners seeking a structured, free entry-level cybersecurity study roadmap.
Good for
- All plan content is free, with alternatives for paywalled resources
- Sequential schedule builds from foundational to advanced topics
- Includes both technical skill building and job search support
Watch out for
- Relies on external third-party resources for all learning content
- No built-in progress tracking or assessment tools
- No formal instructor or personalized feedback support
90DaysOfCyberSecurity at a glance
- Category
- Education & Learning › Learn to Code
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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24 alternatives
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90DaysOfCyberSecurity FAQ
Is the 90-day cybersecurity study plan free to use?
Yes, all content is free, with alternatives provided for any paywalled resources.
Do I need to take Network+ or Security+ exams to follow the plan?
No, the certification playlists teach required concepts, and exam completion is optional for following the plan or pursuing entry-level roles.
How much time should I spend on the plan each day?
The recommended time budget is 1-2 focused hours per day, though you can spend longer on topics as needed.
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