Diptimayee Nayak
Senior Analyst, IT Security
Bengaluru
Summary
Experienced Senior Security Analyst with 7+ years in Security Operations Center (SOC). Demonstrated leadership in managing security operations, SIEM, incident management, and response. Proficient in leveraging advanced security tools to detect and mitigate threats. Strong communication, collaboration, analytical, and problem-solving abilities to work effectively with diverse teams. Excited to enhance operational efficiency in cybersecurity field.
Overview
8
8
years of professional experience
2018
2018
years of post-secondary education
1
1
Certification
Work History
Senior Analyst
Dell Technologies
01.2022 - Current
- Coordinating, administering, managing and monitoring use of security tools and intrusion detection systems to identify anomalous events and security infractions that exploit system vulnerabilities.
- Investigating and analyzing security incidents, containing and mitigating impact, and developing strategies to prevent similar incidents in future.
- Creates and maintains information security documentation for incident response and SOC processes.
- Reviewing and recommending changes to information security policies.
- Participates with client in strategic design process to translate security and business requirements into processes and systems.
- Proficient in using security information and event management (SIEM) tools Splunk and Azure sentinel to identify and respond to potential threats, vulnerabilities, and attacks.
- Analyze Azure sentinel services like Security Center, Azure monitor, log analytics, Storage, Azure Functions, and Defender ATP.
- Work closely with various teams to ensure security is integrated into all aspects of operations.
- Mentored junior analysts, fostering professional development, providing trainings on Incident management and response and SIEM tools while enhancing overall team performance.
Administrator
Microland Ltd.
12.2020 - 01.2022
- Provide L2-level support on complete Security operations and solutions on Splunk, Alien Vault, Mimecast, Cisco Umbrella, and Sentinel One.
- Review rules and alerts in Splunk, and provide feedback to customers based on analysis to reduce false-positive alerts.
- Creating Splunk custom rules for dashboards, alerts, reports, and correlation rules.
- Incident management for various security alerts triggered by SIEM.
- Threat analysis and deep investigation in SentinelOne.
- Threat remediation in Mimecast for real phish alerts. Review and Release/Reject emails from the Mimecast held Queue.
- Build necessary content for analysis, viewing, and managing a security incident which includes Filters, Active Lists, Rules, and Reports which in turn help the team in monitoring and escalations.
- Handling day-to-day administration and technical support for IT security systems and ensuring meet 100% SLAs in Response and resolution.
- Attending daily scrum calls with the client for security reviews and updates.
Information Security Engineer
CMS IT services
11.2017 - 12.2021
- Deployment of RSA Netwitness SIEM Tool.
- RSA Netwitness event source configuration, creating customized correlation rules for the dashboard, investigating events, troubleshooting issues, and monitoring events.
- Handling critical escalations including malware outbreaks.
- Hands-on experience in Symantec DLP implementation, policy setup, up-gradation, and incident management. Knowledge about DLP architecture.
- Hands-on experience in Symantec Data Center Security Implementation and Intrusion prevention and intrusion detection policy creation.
- Trend Micro OfficeScan server and agent implementation and policy configuration, monitoring, database and configuration backup, IGS-A Console patch installation, and proxy setup.
- Administration, Configuration, Ruleset creations, policy fine-tuning, and reporting of Trend Micro officescan Manager and Crowdstrike.
- Deploying and Managing Group Update Provider servers for endpoint clients.
- Troubleshooting officescan client/server communication.
- Detect security issues.
Education
B.Tech -
Biju Pattnike University Technology
Skills
- Security Incident and Event Management
- Endpoint Detection and Response
- Threat Intelligence
- Incident management and response
- Malware Analysis
- Threat Analysis
- Threat Hunting
- Anti-phishing-Mimecast
- Endpoint Security Platform -Sentinel One, Symantec Endpoint Protection, Trend Micro OfficeScan
SIEM Tools - SIEM Tool - Splunk, Azure sentinel, RSA Netwitness, McAfee, Alien Vault
Certification
Certified Ethical Hacker, ECC523807694
Timeline
Senior Analyst
Dell Technologies
01.2022 - Current
Administrator
Microland Ltd.
12.2020 - 01.2022
Information Security Engineer
CMS IT services
11.2017 - 12.2021
B.Tech -
Biju Pattnike University Technology
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