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sajib77777

Sajib Sutradhar

@sajib77777

OSCP, CEH, eWPT, 5x CVE

Bangladesh
English, Spanish
About me
With 5 years of experience in cybersecurity, I specialize in penetration testing, application security, vulnerability management, and exploit development. I also have expertise in SIEM, EDR, and XDR solutions, including QRadar, Splunk, Wazuh, and ELK integration. Additionally, I focus on network security and CTF challenges to provide in-depth assessments that identify vulnerabilities and strengthen your security posture. Let’s work together to safeguard your digital assets with expert cybersecurity solutions!... Read more

Skills

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sajib77777
Sajib Sutradhar
Offline • 

See my services

Software Testing
I will perform web application penetration testing and API penetration testing anytime
From$1,000 / projectMore details
Software Testing
I will provide emergency linux server penetration testing anytime
From$750 / projectMore details

Portfolio

Work experience

Creative_IT Institute

Web Application and API penetration Tester

Creative IT Institute

Jan 2021 - Present • 5 yrs 10 mos

Performed security assessments on web applications and REST APIs to identify vulnerabilities and security weaknesses. Conducted manual and automated penetration testing using industry-standard tools and methodologies. Identified and reported vulnerabilities such as Cross-Site Scripting (XSS), Insecure Direct Object Reference (IDOR), SQL Injection, and authentication issues. Utilized tools like Burp Suite Professional, Acunetix Invicti, Nessus Professional, Nuclei, and other reconnaissance tools to discover hidden endpoints and security flaws. Analyzed HTTP requests and responses, tested API endpoints, and validated input handling mechanisms. Prepared detailed vulnerability reports including proof-of-concept, risk impact, and remediation recommendations to improve application security. Collaborated with development teams to help fix vulnerabilities and strengthen overall security posture.