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Shahadat Fahim
@shahadatfahimc
Cyber Security Expert, Penetration Tester, Bug Bounty Hunter
Bangladesh
English, German, Russian, Spanish
About me
Hi, I'm Shahadat Fahim — a Certified Penetration Tester
(eJPT, CRTOM) and Bug Bounty Hunter with hands-on experience
in web application security.
I help businesses identify and fix real vulnerabilities before
attackers do — using OWASP Top 10, Burp Suite, and manual
testing techniques.
✅ Certified: eJPT | CRTOM | TryHackMe Jr. Pentester
✅ Experience: Web App Pentesting, API Security, Auth Bypass,
IDOR, Business Logic Flaws
✅ Deliverable: Professional PDF report with PoC, CVSS score,
and remediation steps
No automated scanner dumps. Real manual testing only.
Skills
Shahadat Fahim
Offline •
See my services
Programming & Tech
I will do web application penetration testing and security audit
Programming & Tech
I will perform API security testing and vulnerability assessment
Portfolio
Work experience
Freelance Penetration Tester & Bug Bounty Hunter
Self-Employed
Aug 2025 - Present • 9 mos
Conducted web application penetration tests for clients worldwide. Identified critical vulnerabilities including IDOR, JWT flaws, XSS, and API key exposure. Active bug bounty hunter on HackerOne, Intigriti, and YesWeHack.
Web Application Penetration Tester
Cyber Bangla • Full-time
Feb 2025 - Nov 2025 • 9 mos
Executed OWASP Top 10 security assessments, identified vulnerabilities, and validated client remediation efforts. Delivered CVSS-scored reports with actionable fixes.
Web Application Penetration Tester
WebBattalion • Part-time
Feb 2024 - Nov 2025 • 1 yr 9 mos
Conducted web and API penetration testing using bug bounty-style methodologies. Tested authentication flows, business logic, and API endpoints for security flaws.
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natlash
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Super will use all the time
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donnor5
United Kingdom
Lightening quick, attentive, and highly communicative. Provides quality work at a great pace. Clearly an expert in email marketing systems. Would happily recommend to any buyer
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smm_partners
Pakistan
He is a very good person. I will work with him again He did all the changes
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laveedac45
United States
Excellent job I highly recommend his work very patient and kind delivered on time,
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grace_isabell
United States
Overall, a well-designed landing page that effectively drives conversions and leaves a positive impression.
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