Dhatchinamoorthy Periyannan
Coimbatore
Summary
I am a passionate Security professional with a 3+ years of sound technical knowledge and interested in obtaining a challenging position in a high-quality engineering environment where my academic and soft skills will add value to organizational operations.
Overview
4
4
years of professional experience
Work History
SOC Analyst
Rezilyens LLC
Coimbatore
06.2022 - 05.2023
- Manage 24*7 operations at SOC including event monitoring, incident detection, tracking and analysing on real time basis, report generation.
- Monitored network traffic for suspicious activity using SIEM tools such as Splunk and Sentinel SIEM.
- Knowledge in Threat hunting using TTP’s & Investigated advanced persistent threats in order to understand their behavior patterns.
- Performed incident response and root cause analysis on security incidents.
- Good knowledge in networking concepts including OSI layers, subnet, TCP/IP ports, DNS, DHCP.
- Good knowledge in Firewall and analysing traffic, updating Signature sets, call-back detectors on weekly basis in IPS.
- Creating policies, Analysing, Monitoring, Preventing in Endpoint using McAfee endpoint & Endgame, Carbon black and Crowdstrike EDR.
- Intrusion analysis investigation and Administration using IPS McAfee.
- Sandbox knowledge MX Toolbox Sandboxing, Hybrid Analysis.
- Threat intelligence using Anomali, Fireeye threat intel.
- Knowledge in Azure Sentinel Log Analytics.
- Knowledge in MS Defender – Endpoint, Email.
- Knowledge in Malware analysis both static and dynamic.
- Real time monitoring for Network security components and devices such as Firewall, Routers, System Application, Windows devices, Web servers.
- Created detailed reports outlining the findings of investigations into security events or incidents & Log monitor report on daily, weekly, monthly basis to maintain strict SLA adherence.
- Comprehensive knowledge on Implementation of ESM components like connector, logger, ESM.
- Threat management using the McAfee endpoint protection and scanning the End user workstation Based on the events triggered from the SIEM tools.
- Provided technical guidance in developing secure architecture designs for new projects or initiatives.
- Implemented processes to ensure compliance with industry regulations such as PCI DSS, GDPR, HIPAA.
- Collaborated with internal teams to improve system performance and enhance overall security posture of the organization's infrastructure.
- Developed scripts and automation tools for efficient log management operations.
- Conducted regular penetration tests to assess the effectiveness of existing controls against known vulnerabilities.
- Maintained up-to-date knowledge of cyber threat landscape by researching latest attack trends and techniques used by attackers.
- Ensured that all security protocols are being followed within an organization's environment & Evaluated current policies to identify gaps in existing controls.
- Provided ongoing support during incident resolution process ensuring successful containment and eradication of malware infections.
- Audited networks and security systems to identify vulnerabilities.
Senior Analyst
NTT Data
Coimbatore
02.2019 - 05.2021
- Monitoring the raw logs as well as alerts triggered in SIEM tools integrated with various devices like IDS, ISS, CISCO AND CHECKPOINT FIREWALLS, McAfee EPO, SWITCHES and ROUTERS, CISCO ACS etc. and making sure all the company assets are not vulnerable to attacks.
- Identifying unauthorized usage/access on windows machines using Syslog. & Managed user authentication and authorization of data access.
- Monitoring the proxy & antivirus logs and making sure all the company assets are free from malware.
- Identified security threats, vulnerabilities and potential malicious activities through log analysis.
- Developed and implemented strategies to detect emerging cyber threats.
- Installed firewalls, intrusion detection systems, anti-virus software and other security measures to protect networks from outside attacks.
- Analyzed logs from various sources including web servers, application . ervers, databases, IDS and IPS systems. for possible security breaches. & Managed user authentication and authorization of data access.
- Investigated information security breaches to identify vulnerabilities and evaluate damage. & Made recommendations to improve security procedures and systems.
- Used penetration testing tools to identify weaknesses in security systems & Conducted vulnerability assessments of IT systems and applications.
- Promoted security awareness among employees and clients to alleviate risks and breaches & Collaborated with stakeholders to implement and update disaster recovery plans.
- Supported users with in-person and remote technical assistance.
- Created and implemented Active Directory group policy settings to manage workstations. & Designed and implemented plans to secure computer files against breach, destruction or accidental modification.
- Updated virus protection systems based on computer virus reports. & Protected secure data files and regulated access.
- Installed system updates, patched programs and optimized functionality.
Education
Bachelor of Science - Computer Applications
CMS College of Science & Commerce
Coimbatore03-2017
Skills
- Incident Response
- Phishing Analysis
- Malware Analysis
- Knowledge of Vulnerability Management
- Application security
- Compliance standards
- Access Control
- Intrusion Detection
- Firewall configuration
- Web Security
- Protecting networks
- Monitoring computer viruses
- Managing security breaches
- Data Security
- Compliance Management
- Network Security
- Best Practices Implementation
- Reporting and documentation
- Risk Mitigation
- Forensic analysis
- Disaster Recovery
- Business continuity planning
- Regulatory Compliance
- Telecommunications Systems
- Penetration Testing
- Scripting Languages
- Audit Support
- Information Auditing
- Linux Server
- Resource Allocation
- Websense Data Loss Prevention
Technical Skills
SIEM Tools : Azure Sentinel, Splunk, IBM QRadar
Security Tools. : Palo Alto Firewall, Sophos EP (EDR), Microsoft Defender
Ticketing Tools : Manage Engine Service desk, Service Now
Security Products : MDR, CrowdStrike, Sophos EP
Utilities : MS Office Suite (Word, Excel, Outlook, Access, PowerPoint).
Operating Systems : Wind 9X / 2000 / XP/VISTA, WIN 7, WIN 10, Kali Linux
Languages
Tamil
First Language
English
Advanced (C1)
C1
Timeline
SOC Analyst
Rezilyens LLC
06.2022 - 05.2023
Senior Analyst
NTT Data
02.2019 - 05.2021
Bachelor of Science - Computer Applications
CMS College of Science & Commerce
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