My Cybersecurity Journey — Documentation Hub 🛡️

🤝 Let’s connect and make the change.

📖 Overview

Welcome to my comprehensive cybersecurity documentation repository! This living knowledge base contains hands-on learning notes, practical tutorials, and reproducible lab playbooks covering modern cybersecurity domains.

🎯 Purpose

• Study Reference: Structured learning materials for cybersecurity concepts
• Lab Playbooks: Reproducible exercises and experiments
• Portfolio Projects: Demonstrable skills across security domains
• Career Preparation: Role-specific guidance for 2026+ cybersecurity landscape

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🚀 Quick Access

Resource	Link
📚 Live Documentation	./index.html
🧭 Navigation Sidebar	./_sidebar.md
🐙 GitHub Repository	Repository Link

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📚 Documentation Structure

🔰 Foundation

• 0-Linux/
  • Linux-Lab.md - 🐧 Canonical Linux lab guide
  • Computers-Networking.md - 🌐 Networking fundamentals

☁️ Cloud Security

• 1-Cloud-Security/
  • AWS: IAM-Security.md - 🔑 AWS Identity & Access Management
  • Azure: Entra-ID-Security.md - 🏢 Azure Entra ID security
  • GCP: IAM-Security.md - ☁️ Google Cloud IAM
  • Kubernetes: K8s-Architecture.md - ⛵ Container security fundamentals

🔐 Identity & Zero Trust

• 2-Identity-Access-ZeroTrust/
  • IAM-Fundamentals.md - 🏗️ Core identity concepts
  • SSO-Federation.md - 🔗 Single Sign-On & federation

🤖 AI Security & ML Safety

• 3-AI-Security-ML-Safety/
  • Adversarial-ML.md - ⚔️ Machine learning attacks & defenses
  • LLM-Threats.md - 🧠 Large Language Model security

⚙️ Security Automation & Engineering

• 4-Security-Automation-And-Engineering/
  • Automated-IR-Playbooks.md - 🤖 Automated incident response

🔴 Offensive Security

• 5-Offensive-Security/
  • Web-Pentesting.md - 🌐 Web application penetration testing

🔍 Detection Engineering

• 6-Detection-Engineering/
  • Microsoft-Sentinel.md - 📊 SIEM detection rules
  • Threat-Hunting.md - 🎯 Proactive threat hunting

🎯 Vulnerability Management

• 7-Vulnerability-Management/
  • CVE-Analysis.md - 📋 CVE analysis and vulnerability assessment

🛠️ DevSecOps

• 8-DevSecOps/
  • Secure-Coding.md - 💻 Secure development practices

📊 Data Science & Security Analytics

• 9-Data-Science-Security-Analytics/
  • Intro-Data-Science.md - 📈 Data science for security analytics

📋 GRC, Risk & Compliance

• 10-GRC-Risk-Compliance/
  • NIST-CSF.md - 🏛️ NIST Cybersecurity Framework
  • ISO-27001-27002.md - 📜 ISO 27001/27002 standards
  • CIS-Controls.md - 🛡️ CIS Critical Security Controls
  • GDPR-NIS2-DORA.md - 🌍 Privacy & regulatory frameworks
  • Risk-Assessments.md - 📊 Risk assessment methodologies
  • Business-Continuity.md - 🔄 Business continuity planning

🚨 Incident Response & Forensics

• 11-Incident-Response-Forensics/
  • IR-Playbooks.md - 📋 Incident response procedures
  • DFIR-Tools.md - 🛠️ Digital forensics tools

💬 Professional Skills

• 12-Soft-Skills-Professional/
  • Communication-for-Security.md - 🗣️ Security communication skills

💼 Career Development

• 13-Job-Roles-2026+-Career/
  • AI-Security-Engineer.md - 🤖 Emerging AI security roles
  • IR-Forensics-Specialist.md - 🔍 Incident response career path

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🖥️ Local Development Preview

Option 1: Docsify (Recommended) 📖

# Install Docsify globally
npm install -g docsify-cli

# Serve documentation locally
cd docs
docsify serve .

# Access at: http://localhost:3000

Option 2: Python Simple Server 🐍

# From docs directory
python3 -m http.server 8000

# Access at: http://localhost:8000/index.html

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🤝 Contribution Guidelines

📝 Adding Content

• Place .md files in appropriate top-level folders
• Update ./_sidebar.md to maintain navigation accuracy
• Use relative links between pages (e.g., ../11-Incident-Response-Forensics/IR-Playbooks.md)

✍️ Writing Standards

• Clear headings and structured content
• Short theory sections followed by practical applications
• Include "Practice" or "Lab" sections with executable commands
• Use fenced code blocks for commands and configurations

🔒 Security Best Practices

• ❌ Never embed secrets or credentials
• ✅ Keep examples reproducible on disposable environments
• ✅ Include references and suggested next steps

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🛠️ Maintenance

🔄 Synchronization

• Keep _sidebar.md updated with new pages
• Backup major changes (e.g., filename.md.bak) before rewrites
• Regular review and update of external references

📋 Commit Convention

git commit -m "docs: add K8s RBAC lab"
git commit -m "fix: correct AWS IAM policy examples"
git commit -m "feat: new threat hunting techniques"

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📄 License & Support

• License: See LICENSE file in repository root
• Issues & PRs: GitHub Issues
• Contributions: Welcome! Please follow contribution guidelines

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📞 Contact

• GitHub: @mpurushotham
• Issues: For corrections or content requests, please open an issue
• Pull Requests: Direct contributions are welcome

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🚀 Continuous Learning | 🔒 Practical Security | 🌐 Community Knowledge

Building cybersecurity expertise, one document at a time