Dheeraj Kumar Jayaswal

About Dheeraj Kumar Jayaswal

I’m a Cyber Security Professional, Penetration Tester, and Red Teaming specialist with 15+ years in IT and 5+ years in offensive security testing.My focus is helping organizations identify critical vulnerabilities before attackers exploit them.I specialize in Vulnerability Assessment and Penetration Testing (VAPT) across web applications, APIs, and enterprise infrastructure.Over the years, I have:• Conducted penetration testing on 20+ enterprise applications• Identified 200+ security vulnerabilities including SQL Injection, RCE, SSRF, and IDOR• Reduced enterprise attack surface by 35% through security remediation• Performed Red Team simulations aligned with MITRE ATT & CK• Mentored 15+ engineers on secure coding practicesMy expertise includes:• Penetration Testing (Web / API / Network)• Red Teaming & Adversary Simulation• OWASP Top 10 Vulnerability Testing• Secure SDLC & Security Architecture• Security Tools: Burp Suite, Metasploit, Nmap, Nessus, SQLMap, WiresharkI enjoy working with security teams, CTOs, and engineering leaders to strengthen cyber resilience and reduce security risk. Open to connecting with Cyber Security professionals, Red Teamers, and organizations focused on strengthening application security.

Experience

1. Technology Lead Penetration Tester

   Infosys

   Sep 2017 — Present

   Conducted penetration testing across 20+ enterprise web and API applications, identifying 200+ critical vulnerabilities including SQLi, SSRF, RCE, and IDOR.• Reduced external attack surface by 35% by identifying API security weaknesses and implementing remediation strategies.• Executed Red Team simulations aligned with MITRE ATT & CK, improving incident response readiness by 40%.• Mentored 15+ engineers on secure coding practices, increasing secure SDLC adoption by 60%.• Specializing in Penetration Testing, Red Teaming, VAPT, Web Application Security, and API Security.

Education

• Lakshmi Narain College of Technology, Indore

  Bachelor of Engineering (BE), Computer Science

  2005 — 2009

• High School

  12th, Science Mathematics

• High School

  10th, General Studies

• Indian Institute of Technology, Kanpur

  PG: Executive Certification Program in Cyber Security, Cyber Security