Arun Perumal
Chennai
Summary
Experienced DFIR L3 Analyst with over 7 years in digital forensics and incident response. Expert in forensic investigations, threat analysis, and advanced incident response techniques. Skilled in using forensic tools to uncover evidence, mitigate security threats, and ensure compliance. Strong analytical and problem-solving abilities with excellent communication skills for technical and non-technical audiences and committed to maintaining the highest standards of security and compliance within dynamic and high-pressure environments.
Overview
15
15
years of professional experience
1
1
Certification
Work History
SOC Analyst - L3
Capgemini Technology Services
Chennai
08.2023 - Current
- Conducted comprehensive forensic investigations on compromised systems, identifying root cause and scope of breaches.
- Utilized forensic tools (AXIOM, FTK, X-Ways) to collect, preserve, and analyze digital evidence in support of incident response.
- Led incident response efforts for high-profile security breaches, coordinating with internal teams and external stakeholders to contain and remediate threats.
- Performed malware analysis to understand infection vectors, capabilities, and develop appropriate countermeasures.
- Conducted threat hunting activities to proactively identify and mitigate potential threats within the network.
- Provided detailed incident reports and briefings to senior management and stakeholders, highlighting impact, actions taken, and recommendations for improvement.
- Delivered training and awareness programs on digital forensics and incident response best practices to IT and security staff.
IT Trainee
Trivent System Pvt Ltd
Chennai
12.2013 - 11.2024
- Configured and maintained routers, switches, firewalls, wireless networks and other network devices.
- Provided technical support for local area networks, wide area networks and Internet connections.
- Diagnosed network issues using tools such as packet sniffers and protocol analyzers.
- Maintained inventory records of all hardware components used in the network environment.
- Installed, configured, upgraded and troubleshot hardware components such as servers, PCs and printers.
- Monitored system performance to ensure availability of all services and systems to authorized users.
- Handled network configurations after hours and on weekends to alleviate downtime and maintain smooth operations.
Cyber Security Analyst - L2
JoulesToWatts Business Process Pvt Ltd
Bangalore
02.2022 - 08.2023
- Analyzed security incidents to determine root cause, scope, and impact, and developed and implemented mitigation strategies to prevent recurrence.
- Monitored network traffic and security alerts using SIEM tools (e.g., Splunk, Kibana, ServiceNow) to detect and respond to potential security incidents.
- Conducted vulnerability assessments and penetration tests to identify security weaknesses in systems and applications, providing recommendations for remediation.
- Managed the security change management process, reviewing and approving change requests to ensure alignment with security policies and best practices.
- Conducted risk assessments for all security-related changes, identifying potential vulnerabilities and developing remediation plans.
Network Security Analyst
Sanpra Infotech LLP
Chennai
10.2016 - 01.2022
- Developed user access control policies according to organizational requirements.
- Installed software updates, patches and service packs to maintain system integrity.
- Performed regular maintenance checks on firewalls, routers and other network devices to ensure optimal performance.
- Analyzed firewall configurations and recommended changes to improve performance and security.
- Promoted security awareness among employees and clients to alleviate risks and breaches.
Junior System Administrator
BodhBridge ESPL
Chennai
03.2013 - 02.2014
- Managed Active Directory accounts including creating user profiles and resetting passwords.
- Supported, configured, maintained and upgraded customer networks and in-house servers.
- Implemented and monitored network security measures, including firewalls and intrusion detection systems.
- Configured routers, switches and firewalls for secure access to internal networks.
- Maintained an inventory of all hardware assets within the organization.
- Troubleshoot network issues and provided technical support to users.
Non Voice Executive
Dell Perot systems
Chennai
03.2010 - 07.2012
- Provided technical assistance to the customers and clients via Email and Chat support
Education
Diploma - Computer Technology
Jaya Polytechnic College
Chennai04-2009
SSLC -
P.J.Gupta High School
Chennnai05-2006
Skills
- Digital Forensics and Incident Response
- Incident Management and Response
- Threat Hunting
- Malware Analysis (Basic Static and Dynamic Analysis
- Vulnerability Assessment and Management
- Network Security Management
- EDR (Crowdstrike, QRadar, Trellix)
- SIEM (Splunk, Kibana)
Languages
Tamil
First Language
English
Advanced (C1)
C1
Certification
- CCNA and MCP
- Splunk Enterprise Security
Timeline
SOC Analyst - L3
Capgemini Technology Services
08.2023 - Current
Cyber Security Analyst - L2
JoulesToWatts Business Process Pvt Ltd
02.2022 - 08.2023
Network Security Analyst
Sanpra Infotech LLP
10.2016 - 01.2022
IT Trainee
Trivent System Pvt Ltd
12.2013 - 11.2024
Junior System Administrator
BodhBridge ESPL
03.2013 - 02.2014
Non Voice Executive
Dell Perot systems
03.2010 - 07.2012
Diploma - Computer Technology
Jaya Polytechnic College
SSLC -
P.J.Gupta High School
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