---
title: "Cybersecurity Notes - Ethical Hacking Tutorial Guide"
description: "Cybersecurity notes with ethical hacking tutorial topics on networking, DNS, phishing, OSINT, and practical blue-team and red-team basics."
date: "2026-03-15"
tags: [cybersecurity, ethical-hacking, osint, networking, phishing]
categories: [cybersecurity-notebooks]
author: "Sagar Biswas"
canonical_url: "https://sagarbiswas-multihat.github.io/cybersecurity-notebooks/"
---

# Cybersecurity Notes and Ethical Hacking Guide

Cybersecurity notes repository focused on practical ethical hacking tutorial content, networking fundamentals, DNS, phishing awareness, and OSINT workflows. This collection is designed as a structured study map for beginner to intermediate learners.

Live site: https://sagarbiswas-multihat.github.io/cybersecurity-notebooks/

![GitHub Pages](https://img.shields.io/badge/pages-live-blue)
![Cybersecurity](https://img.shields.io/badge/cybersecurity-notes-0ea5e9)
![OSINT](https://img.shields.io/badge/osint-guide-22c55e)

## Notebook Scope

- Networking and DNS security foundations
- Google dorks and OSINT methodology
- Understanding phishing attack patterns and defense strategies
- Phishing analysis and prevention fundamentals
- Cybersecurity career track guidance

## Related Notebooks

- [Bash Scripting Tutorial and Shell Script Examples](https://github.com/SagarBiswas-MultiHAT/bashscript-notebooks)
- [C and C++ Programming Notebook](https://github.com/SagarBiswas-MultiHAT/c-cpp-notebooks)
- [Git Commands Cheat Sheet and GitHub Workflow Guide](https://github.com/SagarBiswas-MultiHAT/git-and-github-notebooks)
- [JavaScript Tutorial and Vanilla JS Examples](https://github.com/SagarBiswas-MultiHAT/javascript-notebooks)
- [PHP Programming Notebook](https://github.com/SagarBiswas-MultiHAT/php-notebooks)
- [Python Programming Notebook](https://github.com/SagarBiswas-MultiHAT/python-notebooks)
- [React Hooks Guide and React Project Examples](https://github.com/SagarBiswas-MultiHAT/react-notebooks)
- [Software Developer Portfolio](https://github.com/SagarBiswas-MultiHAT/sagarbiswas-multihat.github.io)