ARAVINDH S
Cyber Security Analyst
Tambaram, IN.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
Chennai, India
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Summary
Led a cybersecurity team to ensure robust compliance with security standards, conducting ISO 27001 Gap Analysis and enhancing organizational security posture.
Highlights
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.
Mepz, Chennai, India
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Summary
Managed and led security operations for a diverse client portfolio, specializing in SIEM, EDR, and incident response to safeguard critical infrastructure and data.
Highlights
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.
Gerugambakkam, India
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Summary
Provided critical technical support and system administration, ensuring optimal performance and security of network infrastructure.
Highlights
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.
Kumbakonam, India
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Summary
Executed diagnostics, repair, and maintenance of Lenovo products, delivering exceptional on-site and in-house technical support to diverse clients.
Highlights
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
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.