ARAVINDH S

Cyber Security Analyst

About

Highly accomplished Cyber Security Analyst with over 10 years of IT domain experience and 4.5+ years specializing in robust cybersecurity operations. Proven expertise in SIEM monitoring, incident handling, endpoint security, and threat intelligence, complemented by strong team leadership and client management skills. Adept at leveraging advanced security tools and methodologies to identify vulnerabilities, mitigate risks, and strengthen organizational security postures.

Work Experience

Team Lead

Bharath Brands

Jun 2024 - Dec 2024

Chennai, IN

Led a cybersecurity team to ensure robust compliance with security standards, conducting ISO 27001 Gap Analysis and enhancing organizational security posture.

  • Ensured 100% system compliance with stringent security standards and regulations through proactive monitoring and implementation of best practices.
  • Conducted comprehensive ISO 27001 Gap Analysis, identifying critical vulnerabilities and recommending strategic improvements to bolster security frameworks.
  • Monitored network and system activities, analyzing log files to identify potential threats and proactively mitigate security risks.
  • Managed and optimized Sophos firewall and EDR systems, enhancing real-time threat detection and response capabilities.
  • Oversaw the monitoring and analysis of security dashboards, ensuring timely detection and resolution of alerts.
  • Directed security information event monitoring, management, and response (SIEM) operations, significantly improving incident resolution times.

Asst. Team Lead

HTC Global Services

Jul 2020 - May 2024

Mepz, Chennai, IN

Managed and led security operations for a diverse client portfolio, specializing in SIEM, EDR, and incident response to safeguard critical infrastructure and data.

  • Managed Sophos firewall and EDR solutions for multiple clients, ensuring robust endpoint protection and network security.
  • Oversaw 24/7 monitoring and analysis of security dashboards and alerts, significantly reducing mean time to detect (MTTD) security incidents.
  • Directed comprehensive security information event monitoring, management, and response (SIEM) activities, enhancing threat detection and mitigation.
  • Led the full incident response lifecycle, from identification and assessment to reporting, communication, mitigation, and event management, minimizing impact.
  • Ensured daily management, administration, and maintenance of diverse security devices, achieving 99.9% operational effectiveness.
  • Coordinated monthly security review and presentation sessions with clients, fostering strong relationships and ensuring alignment on security posture.
  • Developed and presented reports, dashboards, and metrics for SOC operations to senior management, informing strategic security decisions.
  • Conducted in-depth threat intelligence research to proactively identify and address emerging cyber threats.

Service Engineer

R.T Solutions

Jan 2020 - Mar 2020

Gerugambakkam, IN

Provided critical technical support and system administration, ensuring optimal performance and security of network infrastructure.

  • Monitored and maintained firewall and server systems, ensuring continuous operation and security integrity.
  • Administered Identity and Access Management (IAM) systems, enhancing user security and access control.
  • Provided comprehensive technical support, resolving complex IT issues for end-users and maintaining system functionality.

Service Engineer

Lenovo

Jul 2013 - Dec 2018

Kumbakonam, IN

Executed diagnostics, repair, and maintenance of Lenovo products, delivering exceptional on-site and in-house technical support to diverse clients.

  • Performed diagnostics, repair, and maintenance on a wide range of Lenovo laptops and desktops, restoring full functionality for hundreds of clients.
  • Managed warranty and post-warranty service support for Lenovo products, ensuring timely and effective resolutions for customer issues.
  • Delivered comprehensive on-site and in-house technical support to clients across various sectors, maintaining high customer satisfaction rates.
  • Maintained meticulous service logs and generated customer satisfaction reports, contributing to continuous service improvement.
  • Installed and configured antivirus software on personal computers, enhancing client system security and protection against malware.
  • Provided expert hardware service for computer systems and hardware, including installation and maintenance of CCTV cameras.

Education

Cyber Forensics and Information Security

Madras University - Distance education

Pursuing

Jan 2024 - Dec 2025

PDCIL

ITMR, Hindustan University

70%

Jan 2019 - Dec 2020

HR

Manonmaniam Sundaranar University

62%

Jan 2011 - Dec 2013

Certificates

Certified in SumoLogic SIEM tool

SumoLogic

Sumo Logic Fundamentals

SumoLogic

AZ - 900 Microsoft Azure Fundamentals

Microsoft

Ethical Hacking Essentials (EHE)

Code Red - ECcouncil

Skills

SIEM Platforms

  • Sumo Logic
  • Splunk
  • KibanaELK
  • SIEM Monitoring
  • Security Information and Event Management

Endpoint Security

  • Sophos
  • Trend CloudOne
  • WorryFree
  • EDR
  • Endpoint Protection

Incident Response

  • Incident Handling
  • Threat Intelligence
  • Incident Identification
  • Incident Assessment
  • Incident Mitigation
  • Event Management
  • Troubleshooting VPN issues

Network Security

  • Firewalls (Cisco Firepower, Sophos, Cisco ASA)
  • IDS/IPS (ELK, Snort)
  • Network Monitoring
  • Log Analysis

Cloud Security

  • Microsoft Azure AD
  • Microsoft 365 Defender
  • Microsoft Intune
  • Azure Fundamentals

Data Security & Privacy

  • Data Leak Prevention (DLP)
  • ISO 27001 Gap Analysis
  • Security Standards & Regulations

Security Operations

  • SOC Operations
  • Dashboard Monitoring
  • Alert Analysis
  • Security Device Management
  • SOP Preparation

Threat Analysis Tools

  • Sandboxes (Hybrid Analysis, AnyRun)
  • Threat Intel Sites (Cisco Talos, IBM X-Force)
  • Phishing Tools (Gophish)
  • Spam Mail Investigation

Access Management

  • 2FA Authentication (LinOTP, AD360)
  • System Administrator (IAM)

Reporting & Metrics

  • The Hive Project
  • Report Generation
  • Dashboard Creation
  • Metrics for SOC Operations

Security Awareness

  • KnowBe4
  • Phishing Simulations
  • Security Awareness Training
  • Risk Scoring

Ticketing Systems

  • Services Focus
  • Remedy

Asset Management

  • Lansweeper

Management & Leadership

  • Team Management
  • Project Management
  • Client Handling
  • Communication
  • Presentation
  • Shift Handling
  • IT Infrastructure Management
  • Security Audits