Skip to content
View rootlayer's full-sized avatar
🎯
Focusing
🎯
Focusing

Block or report rootlayer

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Content in all repositories owned by your account will be closed.
Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
rootlayer/README.md

👋 Hi, I'm Elahe Fahimi

Linux System Administrator · Cybersecurity · Infrastructure Security · Pentesting

I’m a Linux System Administrator and Cybersecurity practitioner focused on building, securing, monitoring, and breaking Linux infrastructure.

My journey started with Linux & hosting infrastructure and evolved into Linux Security, Infrastructure Defense, and Offensive Security.


🛠️ What I Work With

🐧 Linux & Infrastructure

Linux · Ubuntu · Debian · Kali · KVM · Virtualizor · Docker · Nginx · Apache

🔐 Security

Wazuh · ELK · Auditd · SELinux · Fail2Ban · Nessus · OpenVAS

⚔️ Offensive Security

Burp Suite · Nmap · OWASP · PortSwigger · SQL Injection · CSRF · Privilege Escalation

🌐 Networking

TCP/IP · DNS · DHCP · SSH · TLS · Firewalls

💻 Scripting

Bash · Python


🎓 Certifications

  • 🏆 LPIC-3 — Linux Enterprise Professional
  • 🏆 LPIC-2
  • 🏆 LPIC-1
  • 🏆 SANS SEC504
  • 🏆 SANS SEC542
  • 🏆 PWK
  • 🏆 CEH
  • 🏆 CompTIA Security+
  • 🏆 CCNA

🔥 Current Focus

Linux Security
      ↓
Infrastructure Security
      ↓
Detection Engineering
      ↓
Web Application Security
      ↓
Offensive Security

Currently exploring:

  • Advanced Linux Security
  • Web Application Penetration Testing
  • Vulnerability Research
  • SIEM & Detection Engineering
  • Threat Hunting
  • Security Automation

🧪 What You'll Find Here

🔹 Linux security & hardening 🔹 Wazuh & security monitoring 🔹 Bash/Python security tools 🔹 Web security labs & write-ups 🔹 Pentesting research 🔹 Infrastructure automation 🔹 Practical cybersecurity experiments


🧠 My Approach

Build it. Break it. Understand it. Secure it.

I believe the best way to secure infrastructure is to understand how it works — and how an attacker would try to break it.


🌐 Connect

sudo rm -rf /vulnerabilities 😈

Pinned Loading

  1. InternalAllTheThings InternalAllTheThings Public

    Forked from swisskyrepo/InternalAllTheThings

    Active Directory and Internal Pentest Cheatsheets

    HTML 1

  2. GTFOBins.github.io GTFOBins.github.io Public

    Forked from GTFOBins/GTFOBins.github.io

    GTFOBins is a curated list of Unix-like executables that can be used to bypass local security restrictions in misconfigured systems.

    YAML 1