---

$ whoami

name        : Devdas Kumar
alias       : HDJ  — Hidden Devdas Journey
role        : Cybersecurity Researcher · AI Security Analyst · Cloud Engineer
university  : Amity University, BCA — Cloud Computing
pronouns    : He / Him
location    : India 🇮🇳
interests   : Ethical Hacking · LLM Security · Prompt Engineering · Digital Innovation
personality : Introverted deep-thinker. Breaks problems before solving them.
status      : Open to → Bug Bounty · Research Collabs · Internships

---

$ ls -la ./skills

🔐  Offensive Security & Pentesting

Web Application Security Burp Suite Pro · OWASP Top 10 SQL Injection · XSS · SSRF · IDOR API Security · Auth Bypass · JWT Attacks Network & Wireless Nmap · Wireshark · Aircrack-ng Packet Analysis · MitM Attacks

Exploitation & Post-Exploitation Metasploit · Custom RATs · Hydra · Medusa John the Ripper · Hashcat · SQLMap Privilege Escalation · Lateral Movement Android & Mobile Security Magisk Manager · Frida · ADB APK Reverse Engineering · SSL Pinning Bypass

🤖  AI Research & Prompt Engineering

LLM Security & AI Red Teaming Prompt Injection · Jailbreak Analysis Adversarial Prompting · Model Misuse Testing System Prompt Extraction · Context Manipulation Agentic AI Risk Assessment

Prompt Engineering & Digital Innovation Chain-of-Thought & Tree-of-Thought Design Few-Shot / Zero-Shot Architecture RAG Pipeline Optimization AI-Powered Recon & Automation Workflows LLM-driven Digital Workflow Innovation

☁️  Cloud & Infrastructure

Cloud Platforms AWS · GCP · Azure (Fundamentals) Cloud Security Posture Management IAM Misconfiguration Analysis

DevSecOps & Recon Docker · Linux · Bash Scripting Nessus · OpenVAS · Vulnerability Management OSINT · Maltego · Recon-ng

---

$ cat ./tech-stack.json

Languages & Runtimes

Web & Frontend

Cloud, Infra & Tools

Security Toolkit

---

$ github --stats

  

---

$ cat ./goals-2025.md

OSCP Certification Prep          ████████████░░░░░░░░  60%
Advanced Web Pentesting          ████████████████░░░░  80%
LLM Security & AI Red Teaming   ████████░░░░░░░░░░░░  40%
Prompt Engineering Mastery       ███████░░░░░░░░░░░░░  35%
CTF Competitions                 ██████████░░░░░░░░░░  50%
Open Source Contributions        ████████████░░░░░░░░  60%

---

_{"Security is not a product, but a process."  —  Bruce Schneier}

_{Built with intent  ·  Open to collaboration  ·  Always learning}