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Elevate your cybersecurity career โ€” from fundamentals to mastery.

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How to Use This Guide

Start at the level that matches your experience, not your target job title. If you're aiming for a mid-level role but your networking fundamentals are shaky, go through Level 0 first. Interviewers probe foundations regardless of the role.


What Makes This Different

Most interview guides give you a list of questions with no answers, or surface-level answers that don't survive a follow-up question. This guide is built by pentesters who have been on both sides of the table.

Every interview Q&A uses a three-layer format:

The technical definition โ€” what you need to actually understand.

Why the interviewer asked this. What follow-up question is coming. What level of depth they're expecting at this role level.

Exactly how to frame your answer โ€” with the right depth, right terminology, and an awareness of what comes next in the conversation.


Learning Paths

  • Level 0 โ€” Foundations


    Networking, OS fundamentals, core security concepts, intro to pentesting.

    Start Level 0

  • Level 1 โ€” Junior Pentester


    Recon, scanning, OWASP Top 10, basic exploitation, report writing.

    Start Level 1

  • Level 2 โ€” Mid-Level Pentester


    Web advanced, API, Android, AD basics, source code & config review.

    Start Level 2

  • Level 3 โ€” Senior Pentester


    AD advanced, red team, cloud (AWS/Azure/GCP), exploit dev, engagement mgmt.

    Start Level 3

  • Level 4 โ€” Lead / Architect


    Program design, threat modeling, GRC/compliance, leadership, business dev.

    Start Level 4

  • Tools Reference


    Commands and interview context for recon, scanning, web, network & mobile tools.

    Browse Tools


What We Cover

  • Web & API
  • Mobile (Android + iOS)
  • Infrastructure & AD
  • Cloud (AWS/Azure/GCP)
  • Source Code Review
  • Config Review
  • Segmentation Testing
  • Red Team & Purple Team
  • GRC & Compliance
  • Leadership & BD

Ready, Set, Go

Your experience Start here
Fresher / IT graduate / career switcher Level 0 โ€” Foundations
0โ€“1 years in pentesting Level 1 โ€” Junior
1โ€“3 years, web/infra/mobile VAPT Level 2 โ€” Mid-Level
3โ€“5 years, AD / red team exposure Level 3 โ€” Senior
5+ years, leading engagements Level 4 โ€” Lead
Need a quick command reference Tools Reference
Planning your cert path Resources: Certifications

Open Source

This guide is free and open source. If you find something missing or inaccurate, open a PR on GitHub. Built by practitioners, for practitioners.