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Ranjeet Bisen

@ranjeetbisen

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Cybersecurity analyst at Defenzelite who found critical vulnerabilities recognized by LG and The Home Depot.

India

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At Defenzelite Pvt Ltd, I conducted application security assessments and penetration testing, and reported vulnerabilities recognized in Hall of Fame programs by LG and The Home Depot.

At CliffGuard Cybersecurity and Durbhasi Gurukulam Private Limited (DGPL), I tested web applications, APIs, and networks, documented findings, and provided remediation guidance. I also built DIGI-NETRA, a Python OSINT toolkit, and a vehicle information lookup tool using FastAPI.

Experience

Work history, roles, and key accomplishments

Security Engineer

Defenzelite Pvt Ltd

Aug 2026 - Oct 2026 (2 months)

Executed comprehensive SAST, DAST, API, and mobile application security assessments; analyzed complex vulnerabilities and authored detailed technical audit findings. Spearheaded web application penetration testing and vulnerability research, and drove corporate bug bounty initiatives.

SAST DAST API Security Mobile Application Security Penetration Testing Vulnerability Assessment Bug Bounty Responsible Disclosure

Cybersecurity Analyst (VAPT & Penetration Testing)

CliffGuard Cybersecurity

Jun 2026 - Aug 2026 (2 months)

Conducted active network reconnaissance, attack-surface mapping, and port scanning using Nmap, alongside advanced subdomain and endpoint enumeration. Performed manual web application penetration testing using Burp Suite to expose SQL injection, XSS, and authentication flaws.

Nmap Burp suite Web Application Penetration Testing (WAPT)SQL Injection XSS IDOR OS Privilege Escalation CVSS PoC Development

Cybersecurity Analyst (VAPT)

Durbhasi Gurukulam Private Limited (DGPL)

Jan 2026 - Jun 2026 (5 months)

Evaluated web applications and APIs against OWASP Top 10 security standards, systematically testing for injection, broken access control, XSS, and vulnerable components. Integrated automated vulnerability scanners with manual security testing to eliminate false positives and verify true exploitability.

OWASP Top 10 Nikto OWASP ZAP Vulnerability Assessment Penetration Testing CVSS PoC Development Security Hardening

Education

Degrees, certifications, and relevant coursework

Makhanlal Chaturvedi Rashtriya Patrakarita Evam Sanchar Vishwavidyalaya

Bachelor of Computer Applications, Computer Applications

2024 -

Pursuing Bachelor of Computer Applications (BCA) from Makhanlal Chaturvedi Rashtriya Patrakarita Evam Sanchar Vishwavidyalaya, Bhopal, India, expected to complete in 2027.