---
title: "Discussion on \"Day 1 of my learning:\" | Hashnode"
description: "Discussion on \"Day 1 of my learning:\". My Day 1 learning covering BAC (Vertical/Horizontal), IDOR, session state, modern Linux File Systems (Inodes, Links, VFS) from standard sources."
url: "https://hashnode.com/posts/day-1-my-learning-broken-access-control-linux-file-system/6af4b3bd8c56dfc3ddd2162f"
---

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# [Day 1 of my learning:](https://0xsec.hashnode.dev/day-1-my-learning-broken-access-control-linux-file-system?utm_source=hashnode&utm_medium=feed)

My Day 1 learning covering BAC (Vertical/Horizontal), IDOR, session state, modern Linux File Systems (Inodes, Links, VFS) from standard sources.

3h ago · 3 min read · 0xsec.hashnode.dev  
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## Written by

[Ethical Hacker](https://hashnode.com/@usman4)

@usman4

  
[View profile](https://hashnode.com/@usman4)

Passionate about identifying security vulnerabilities and helping organizations strengthen their posture. Specialized in traditional web application testing, API security, and OWASP Top 10 vulnerabilities. Dedicated to continuous learning, responsible disclosure, and delivering clear, actionable report summaries.

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