My Resume (CV)

Harshvardhan

HARSHVARDHAN SINGH RATHORE

Security Researcher & Bug Bounty Hunter

OPEN TO WORK (REMOTE)
harshvardhansinghrathore611@gmail.com H-A-R-S-H-V-A-R-D-H-A-N
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Dedicated Cybersecurity Professional with Calculating... of total immersion in security concepts and deep-dive vulnerability research. Passionate about securing complex systems, weaponizing advanced security tools, and contributing to enterprise cyber defense. Proficient in exploiting the OWASP Top 10, advanced CWE/CVE analysis, and modern, stealth-focused penetration testing methodologies.

01. Offensive Security Experience

Independent Bug Bounty Hunter

Active

HackerOne, Bugcrowd & Intigriti

  • Recent Achievement: Awarded a $1,000+ bounty on Bugcrowd for discovering and exploiting a critical Server-Side Request Forgery (SSRF) vulnerability.
  • Developed highly customized testing methodologies focused on exploiting complex business logic flaws and multi-step authorization bypasses.
  • Consistently analyzed over 100+ disclosed vulnerability reports to adapt to bleeding-edge exploitation techniques.

Web Application Security Researcher

CTF & Labs

Intigriti, PortSwigger, HackerOne, bWAPP, DVWA

  • Regularly solve highly complex Intigriti Monthly Challenges and advanced PortSwigger Academy scenarios, mastering practical CVE exploitation.
  • Mastered the exploitation of SQL Injection, XSS, RFI, and LFI across maximum difficulty levels in controlled environments.

02. Projects & Development

HOLE (Bug Bounty Lab)

Cross-platform Desktop Application

A high-end, luxurious application designed for writing professional security blogs and managing a bug bounty research laboratory workspace.

View on GitHub →

GOUP

Professional Journey Tracker

A web application designed to track and showcase professional milestones and career progression.

Visit Website →

03. Technical Arsenal

Vulnerability Expertise
SSRF IDOR SSTI Account Takeover (ATO) Business Logic Flaws Server-Side Flaws API Testing OAuth Exploitation MCP JWT Misconfigurations Cloud Misconfigurations
Tools & Frameworks
Burp Suite Nuclei Metasploit Nmap Wireshark Katana GoSpider SQLMap OWASP ZAP Acunetix
Web & Architecture
REST APIs GraphQL OAuth 2.0 JWT / WebSockets TCP/IP & VPN Kali Linux

04. Education & Certifications

Advanced Diploma in Ethical Hacking

Grade: A+ | Samyak IT Solutions

Aug 2024 - Jul 2025 | ID: H3108202-74738J

Ethical Hacking Course

Grade: A | NSDC by Samyak IT Solutions

Completed: Dec 12, 2025 | ID: CAN_34970244

Self-Taught Cybersecurity Research

Dropped out of traditional college after the first year to focus strictly on real-world, practical cybersecurity work and vulnerability exploitation.

12th Grade (Commerce)

Board Examination (78.6%)

05. Professional Strengths

  • Zero-Day Mindset: Strong analytical and problem-solving abilities tailored for discovering non-obvious attack vectors.
  • Lethal Reporting: Exceptional communication and technical writeup skills, ensuring CVSS scores are accurately articulated for triage teams.
  • Adaptive Intel: Highly self-motivated quick learner who constantly adapts to bleeding-edge defensive mitigations.
  • Operational Security (OpSec): Disciplined and detail-oriented approach to maintaining integrity during engagements.
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