visitor@gopinath-m:~$
Currently at Quadrasystems.net
Gopinath Marimuthu

GOPINATH
MARIMUTHU

Cyber Security Engineer

Cybersecurity professional specializing in network security, Endpoint Security and vulnerability assessment. Protecting digital assets through advanced defensive methodologies.

Professional Summary

Cybersecurity graduate with hands-on experience in network security, Endpoint Security and vulnerability assessment. Skilled in identifying and mitigating security risks with strong attention to detail.

Currently leveraging my expertise at Quadrasystems.net to strengthen organizational security posture through proactive monitoring and defensive engineering.

Core Philosophy

"Security is not a product, but a continuous process of visibility, analysis, and rapid response."

Certifications

Cyber Security

Imarticus learning

Ethical Hacking (C|EH)V13

EC-Council

CCNA

Network Security

Professional History

Cyber Security Engineer

OCT 2025 - PRESENT

Quadrasystems.net

Contributing to enterprise-level security monitoring and vulnerability management systems.

  • >> Threat analysis and real-time network monitoring.
  • >> Supporting incident response and remediation efforts.

CRM

MAY 2022 - JAN 2025

Reliance Digital

Contributing to CRM systems by managing customer data, supporting sales pipelines, and improving customer engagement workflows.

  • >> Managed customer relationship processes using SAP CRM. Proficient in data handling, service requests, and workflow automation.

Security Stack

Technical Arsenal

Network & Endpoint

Zscaler CrowdStrike Sophos Microsoft Defender

SIEM & Logging

Splunk ES Logstash ELK Stack Azure Sentinel

Incident Response

Threat Hunting Forensics Wireshark TCPDump

Projects

Enterprise Infrastructure

Enterprise Network Design for Multi-Department Organization

Designed and implemented a secure and scalable network infrastructure for a simulated organization. The architecture focused on department-level isolation and secure inter-departmental communication.

VLAN Isolation Subnetting Scalable Architecture
  • 4 Departments: HR, Finance, IT, and Sales
  • Implemented Secure Routing & Firewalling
Cryptographic Analysis

Automated Cryptanalysis & Password Cracking Tools

Developed and utilized automated scripts for evaluating password strength, performing cryptanalysis, and testing hash resilience against common attack vectors.

Python Scripting Hash Cracking Automation
  • Automated Hash Identification
  • Strength Assessment Algorithms