About Rajkumar G

I am a cybersecurity researcher and aspiring SOC Analyst focused on threat intelligence, intrusion detection, and defensive security automation. I actively practice real-world attack analysis, security monitoring, and phishing detection while building security-focused tools and research projects. My work includes developing PhantomShield AI, an intelligent phishing detection system, and founding NexurityDefensia, a cybersecurity development and research initiative.

Education

MSc Computer Science

Annamalai University

2024 – 2026

BSc Computer Science

Annamalai University

2021 – 2024

👨‍💻 Cybersecurity Professional

🔎 Research Interests

🤖 AI Security Research

🚀 NexurityDefensia Platform

Founder of NexurityDefensia, a freelance cybersecurity development platform focused on building security tools, custom applications, and cybersecurity learning resources.

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🛡 PhantomShield AI

Developed PhantomShield AI, an intelligent phishing detection system that analyzes domains, URLs, and behavioral indicators to identify malicious websites in real time.

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🎯 Career Focus

Cybersecurity Journey

Cybersecurity Research Practice

Daily hands-on practice analyzing phishing attacks, malicious domains, and cyber threat patterns.

Security Tool Development

Developing PhantomShield AI phishing detection system and experimenting with security automation.

Threat Intelligence Research

Studying attacker techniques, phishing campaigns, and real-world cyber attacks.