About
I am a Cybersecurity Analyst with 3.6 years of total IT experience, including 2+ years of hands-on SOC expertise. Specialized in security monitoring, incident triage, and deep-dive investigations using Splunk ES and CrowdStrike. Proven track record in reducing false positives by 25% through SIEM tuning and cross-team collaboration.
Skills & Expertise (34)
Work Experience
SOC Analyst (Software Quality Engineer)
Infosys Ltd
Jul 2022 - Present
Monitored and triaged security alerts using Splunk Enterprise Security (ES) and CrowdStrike EDR, ensuring accurate alert validation and timely escalation to L2 / SIR / DFIR teams. Performed deep-dive phishing investigations, analyzing URLs, domains, IP reputation, email headers, and attachments, and recommended appropriate containment and remediation actions. Conducted incident triage and investigation by correlating alerts, logs, and IOC indicators, supporting effective threat identification and response. Collaborated with IT, Security Incident Response (SIR), and Security Engineering teams for IOC blocking, host isolation, policy updates, and event validation. Developed, tuned, and optimized SIEM correlation and detection rules to proactively identify threats aligned with MITRE ATT&CK techniques, attack patterns, and business requirements. Configured and managed log ingestion and normalization from Windows and Linux endpoints using Universal Forwarder (UF) and Syslog-ng, ensuring complete log visibility within SIEM. Supported Splunk SIEM administration activities in a distributed architecture, including forwarder deployment, Windows device onboarding, log source validation, app normalization, and metadata verification. Reduced false-positive alerts by 25% through continuous correlation rule tuning in coordination with L3 teams. Maintained end-to-end incident documentation, ensuring audit readiness, compliance, and proper case tracking in ticketing systems.
Education
B.Tech in Electronics and Communication Engineering (ECE) - B.P. Poddar Institute of Management and Technology, Kolkata
- · Afghanistan
