Rajkumar G

SOC Analyst | Cybersecurity Researcher

Education

MSc Computer Science

Annamalai University

2024 – 2026

  • Cybersecurity research
  • Secure software development
  • Security tool creation

BSc Computer Science

Annamalai University

2021 – 2024

  • Programming fundamentals
  • Web development
  • Cybersecurity basics

👨‍💻 Cybersecurity Professional

  • Threat Intelligence Research
  • Security Tool Development
  • Phishing Detection Systems
  • Penetration Testing Practice

🔎 Research Interests

  • Phishing Attack Detection
  • Threat Intelligence
  • Intrusion Detection Systems
  • Security Automation
  • AI in Cybersecurity

🤖 AI Security Research

  • AI-powered phishing detection
  • Automated threat analysis
  • URL pattern analysis
  • Cybersecurity automation systems

🚀 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

  • SOC Analyst Operations
  • Threat Intelligence
  • AI Security Tools
  • Cybersecurity Research
  • Cybersecurity Analyst
  • Intrusion Prevention System

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.

Cybersecurity researcher and aspiring SOC Analyst with hands-on experience in threat intelligence analysis, intrusion detection, and defensive security automation. I actively practice real-world security monitoring, log analysis, and attack simulation to understand how modern cyber threats operate and how they can be detected and mitigated. My work focuses on identifying malicious activity, analyzing phishing campaigns, studying adversary techniques, and implementing defensive solutions to strengthen system security. I continuously research emerging threats and experiment with practical security tools and custom solutions. I am the founder of NexurityDefensia and the developer of PhantomShield AI, an AI-driven phishing detection system designed to analyze domain behavior, URL patterns, and threat indicators to detect malicious websites in real time.

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Cybersecurity Focus

Cybersecurity Focus

  • Security Operations Center (SOC) practices
  • Threat Intelligence research
  • Intrusion Detection & Prevention
  • Phishing and malicious domain analysis
  • Security monitoring and log investigation

Daily Hands-On Practice

  • Analyzing attack techniques used by threat actors
  • Practicing detection and defensive security strategies
  • Testing security tools and monitoring systems
  • Researching real-world cyber attacks
  • Building security-focused projects

Research & Development

  • Founder of NexurityDefensia cybersecurity initiative
  • Developer of PhantomShield AI phishing detection system
  • Security research and vulnerability exploration
  • Building automated security analysis tools

Daily Cybersecurity Learning

Threat Intelligence Research

Tracking emerging cyber threats, analyzing attacker behavior, and studying techniques used by advanced threat actors.

Security Monitoring Practice

Practicing log analysis, identifying suspicious activities, and learning how SOC teams detect and respond to attacks.

Intrusion Prevention Research

Studying methods used to detect and prevent unauthorized access attempts, malicious network activity, and web attacks.

Security Tool Development

Developing security-focused tools and projects including PhantomShield AI for phishing detection and malicious domain analysis.

Cybersecurity Expertise

Threat Intelligence

Researching emerging cyber threats, attacker techniques, and analyzing real-world attack patterns used by threat actors.

SOC Monitoring

Practicing security monitoring, log analysis, and detection of suspicious activity to understand Security Operations workflows.

Intrusion Detection

Studying methods used to identify unauthorized access attempts, malicious traffic, and abnormal system behavior.

Phishing Analysis

Analyzing phishing websites, malicious URLs, and social engineering techniques used in cyber attacks.

Security Tools & Technologies

Security Analysis

  • Threat Intelligence Research
  • Phishing Detection
  • Malicious Domain Analysis
  • Incident Investigation

Technical Skills

  • Networking Fundamentals
  • Linux & System Security
  • Web Security Concepts
  • Security Automation

Programming

  • Python (Security Scripts)
  • JavaScript
  • Security Tool Development
  • Web Application Security

Featured Project

PhantomShield AI

PhantomShield AI is an AI-powered phishing detection system that analyzes URL patterns, domain structure, and behavioral indicators to identify malicious websites in real time. The system focuses on detecting phishing campaigns, malicious domains, and suspicious website patterns commonly used in cyber attacks.

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PhantomShield AI

An AI-powered Intrusion Prevention System designed to monitor Windows processes, detect suspicious activity, and automatically remove malicious processes based on intelligent threat analysis.Intrusion prevention systems, AI threat detection, and security automation development.

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