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Devbrat Nayak

@devbratnayak

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I uncover web, API, network, and infrastructure vulnerabilities to strengthen cybersecurity defenses.

India

Message

What I'm looking for

I'm looking to strengthen cybersecurity defenses through hands-on penetration testing, vulnerability research, and advanced attack-vector analysis while continuing to grow my red-team capabilities.

At Cognizant Technology Solutions, I conduct web application, API, network, and infrastructure penetration testing, assessing risk against OWASP Top 10 and MITRE ATT&CK. I deliver CVSS-based findings and actionable remediation recommendations using tools including Burp Suite, Nmap, Nessus, Metasploit, Wireshark, and Qualys.

I've responsibly reported a reflected XSS vulnerability to Linktree through Bugcrowd and earned a Linktree Hall of Fame recognition. I also coach and train 15 cybersecurity agents, contribute as a security SME and quality-control expert, and research advanced attack vectors and post-exploitation methods.

Experience

Work history, roles, and key accomplishments

Current

Sr. CyberSecurity Engineer - Associate

Current

Cognizant Technology Solutions

Aug 2022 - Present (4 years 1 month)

Conducted web application, API, and network penetration testing to identify vulnerabilities and ensure compliance with OWASP Top 10 and MITRE ATT&CK frameworks. Authored detailed penetration testing reports with CVSS-based risk ratings and mitigation recommendations.

Internship Trainee

Cognizant Technology Solutions

Mar 2022 - Aug 2022 (5 months)

Gained hands-on experience in conducting security assessments on mobile and web applications using OWASP Top 10 practices. Utilized industry-standard tools such as Burp Suite, OWASP ZAP, SQLmap, and Nmap for dynamic analysis and vulnerability scanning.

Security Assessments OWASP Top 10 Burp suite OWASP ZAP Sqlmap Nmap Linux MacOS