terminal
$

aka 0x3rr0rhunt3r

C3SACTF PlayerTryHackMe: Top 3%Hardware/IoT (labs)
Projects Contact

// Focus

CTF practice, responsible testing, and hardware/IoT security learning — all within legal scope.

Web/OSINT/ForensicsBug bounty (beginner)Hardware labs

$> cat about_me.md

Fast learner diving into cybersecurity through hands-on labs, CTF challenges, and structured writeups. Everything stays within legal scope — learning by doing, documenting every step, and building a foundation in ethical security testing and hardware/IoT exploration.

// CTF Workflow

WebOSINTForensics

// Reporting

Responsible disclosureRepro steps
Skills →

$> ./quick_stats

// Current Mission

Build skills through CTFs, labs, and writeups. Stay ethical.

// Rule

Only test with permission ⚠

$> cat skills.conf

🔌// Hardware / IoT

UARTSPII2CLogic AnalyzerFirmware basicsRFID/NFC (learning)

🏴// CTF

WebOSINTForensicsIntro REWriteups

🛠️// Tools

Kali (labs)Burp SuiteWiresharkLinuxGit/GitHub

$> git log --oneline journey/

🛡️2025

C3SA Certified

Achieved Certified Cybersecurity Analyst certification and started structured bug bounty practice.

🔌2024

Hardware/IoT Security Labs

Built hands-on labs with UART, SPI, I2C protocols and logic analyzers for firmware analysis.

🏆2024

TryHackMe Top 3%

Reached top 3% ranking through consistent CTF practice in web, OSINT, and forensics challenges.

🚀2023

Started CTF Journey

First exposure to Capture The Flag competitions. Began documenting writeups and building methodology.

$> ls ~/projects/

এগুলা "lab/educational" ফোকাসে রাখা — hacker vibe থাকবে, কিন্তু unsafe/weaponized জিনিস থাকবে না।

📝

CTF Writeups Vault

Curated collection of CTF challenge writeups with detailed methodology.

🔍

Recon Checklist

Beginner-friendly reconnaissance checklist for ethical testing.

🔧

Hardware Security Lab Tools

Scripts and documentation for hardware/IoT security lab setups.

📋

Responsible Disclosure Template

Template for structured vulnerability reporting.

$> find /writeups -type f

MEDIUMTHM — Web/OSINT notes
EASYCTF — Forensics workflow
HARDHardware lab — Protocol logging

Only legal targets & educational writeups.

[ 0x3rr0rhunt3r@cyberspace ~ ] _

© 2026 Abu Saleh Md Jeshan • Neon Green Mode

SCANNING NETWORK...
[0%]PID:31337TTY:pts/010:15:32