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KALEESWARAN S | CYBERSECURITY ENGINEER & SECURE SOFTWARE DEVELOPER

Terminal Header


πŸ” ABOUT ME

Cybersecurity-focused Full Stack Developer with expertise in application security, network security, secure software development, and security automation.

Currently pursuing a B.Sc. in Computer Science with Cybersecurity at Rathinam Global Deemed to be University (CGPA: 8.53).

Experienced in building secure web applications, conducting vulnerability assessments, analyzing network traffic, and developing security-focused tools.

  • πŸ›‘οΈ Focused on OWASP Top 10, secure coding, and Secure SDLC
  • πŸš€ Building security tools and production-ready applications
  • 🧠 Interested in threat detection, incident response, and application security
  • πŸ† 136+ Day TryHackMe Streak
  • 🎯 288+ Security and Programming Challenges Solved

πŸ“Š GITHUB METRICS


πŸš€ FEATURED PROJECTS

πŸ›‘οΈ RedAlert EDR

Offline Endpoint Detection & Response platform for monitoring processes, network activity, and system events with real-time threat detection.

Tech Stack: Python β€’ Linux β€’ System Monitoring β€’ Threat Detection


πŸ” Authify

Secure authentication platform featuring OTP-based login, email verification, and REST API integration.

Tech Stack: React β€’ Spring Boot β€’ JWT β€’ REST APIs


πŸ§ͺ SQLi-Report

CLI-based SQL injection assessment tool with automated reporting and vulnerability analysis capabilities.

Tech Stack: Python β€’ CLI β€’ Web Security


🌐 DNS Lab

Dockerized environment for DNS resolution, caching, protocol testing, and network troubleshooting.

Tech Stack: Docker β€’ Linux β€’ Networking


πŸ› οΈ CYBERSECURITY TOOLKIT

🌐 Network Security & Analysis

Nmap Wireshark tcpdump Netcat DNS HTTP

πŸ•ΈοΈ Web Application Security

Burp Suite OWASP Postman JWT REST API

πŸ–₯️ Endpoint & System Security

Linux Windows Metasploit Sysmon EDR

πŸ“Š Security Operations

SIEM Log Analysis Incident Response MITRE ATT&CK

☁️ Cloud & DevSecOps

AWS Docker Git GitHub Actions

πŸ’» Programming & Automation

Python Bash Java

React Spring_Boot


πŸŽ“ CERTIFICATIONS

  • Google Cybersecurity Certificate
  • Linux Foundation – Linux Tools
  • Packt – Web Security & Ethical Hacking
  • AWS Fundamentals (Whizlabs)
  • TryHackMe – Pre Security

🎯 CURRENT FOCUS

  • Application Security & Secure SDLC
  • Threat Detection & Incident Response
  • Security Automation with Python & Bash
  • Network Traffic Analysis
  • Vulnerability Assessment & Remediation
  • Cloud Security Fundamentals

πŸ“š AREAS OF INTEREST

  • Application Security
  • Security Engineering
  • SOC Operations
  • Vulnerability Management
  • Incident Response
  • Threat Hunting
  • Ethical Hacking
  • Capture The Flag (CTF)

πŸ“ˆ 2026 GOALS

  • Build advanced security automation tools
  • Contribute to open-source cybersecurity projects
  • Complete more hands-on labs and CTF challenges
  • Expand expertise in cloud security and DevSecOps
  • Earn advanced cybersecurity certifications

πŸ“‘ CONNECT

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  1. WebCalculator WebCalculator Public

    Web Calculator with Profile This project features a simple web-based calculator with basic arithmetic operations, including addition, subtraction, multiplication, division, and more advanced operat…

    CSS

  2. dns-lab dns-lab Public

    Dockerized DNS lab for practicing real-world DNS resolution, caching, and client queries. Perfect for CTFs and hands-on learning.

    Shell

  3. ProfitPulse ProfitPulse Public

    An elegant and interactive investment calculator for SIP & lump sum projections. ProfitPulse is a modern, responsive web application built with React and custom CSS, enabling users to forecast thei…

    CSS

  4. KALEESWARANS-CYBER00 KALEESWARANS-CYBER00 Public

    TypeScript

  5. kali-cli kali-cli Public

    Argparse‑based CLI tool for structured target analysis and automation.

    Python