About
👨💻 Null Spec7or — Rupesh Kumar
I’m Rupesh Kumar, widely recognized in the cybersecurity world as Null Spec7or — currently serving as a Junior IT Security Engineer at Toucan Payments, based in Hyderabad, India.
I specialize in offensive security, vulnerability research, and technical defense strategies across cloud, containerized, and enterprise environments.
🏅 Recognitions
My work has been acknowledged by:
- 🛡️ Indian Army (Hall of Fame)
- 🛡️ Indian Airforce (sent 2 detailed vulnerability reports)
- 🏛️ U.S. Department of Energy (Hall of Fame)
- 🏛️ CERT France
🔐 Core Areas of Expertise
- 🧪 Manual Pentesting — deeply focused, hands-on, and context-aware testing
- 🧰 Tool Proficiency:
Burp Suite·Qualys·Metasploit·Nmap·Nessus· and more - ☁️ Cloud Pentesting: AWS, GCP, Azure
- 🐳 Container & Infra Security: Docker, Kubernetes, hybrid workloads
- 🔑 IAM & Compliance: Policy reviews, access audits, SOC alignment
- 🛡️ PCI-DSS Familiarity: Hardening, encryption, secure architecture, access control
- 🔬 SAST/SCA Integration:
Synopsys for secure code analysis
· Qualys for web app vulnerability assessments - 🔄 Disaster Recovery & Patch Management: WSUS, backup validation
- 🎯 Red Teaming: Real-world adversary simulation to harden systems
I bring strategic and cross-functional command over industry-grade tools and practices.
I don’t just run scanners — I understand what, why, and how to break and defend systems.
🎓 Education
Bachelor of Technology in Computer Science
Specialization: Cybersecurity & Digital Forensics
VIT Bhopal University
🏅 Certifications & Memberships
- 📜 Microsoft Certified: Azure Fundamentals (AZ-900)
- 📜 Microsoft Certified: Security, Compliance & Identity Fundamentals (SC-900)
- 🛡️ Member: Australian Information Security Association (AISA)
🌐 Let’s Connect
“Secure code is good code, but tested systems build real trust.” — Null Spec7or