Shreeya N.

About Shreeya N.

I’m an Information Security Analyst with a deep passion for solving complex security…

Experience

1. Information Security Analyst

   Crackajack Digital Solutions

   Jun 2025 — Present · US

   As a core member of the security operations team at Crackajack Digital Solutions, I lead several mission-critical cybersecurity initiatives across hybrid cloud infrastructures.Key Contributions:• Led enterprise SIEM operations using Microsoft Sentinel to analyze logs from 500+ sources, engineered ML-driven correlation rules and anomaly detection models that reduced false positives by 45%, and automated incident response via SOAR platforms (Cortex XSOAR, Defender XDR), cutting MTTR by 60%.• Performed daily security triage and threat hunting aligned with MITRE ATT & CK framework, conducting forensic analysis on logs using Volatility, Autopsy, and Wireshark to identify 15+ zero-day vulnerabilities and proactively remediate advanced persistent threats across enterprise environments.• Developed custom security dashboards in Splunk and Grafana with real-time threat intelligence feeds, improving SOC response time by 50% and reducing security gaps by 35% through optimized visualization and alert workflows.• Delivered SIEM security training to 30+ IT professionals on behavioral analytics (UEBA), AI-driven detection, and compliance frameworks (ISO 27001, NIST 800-53, CIS Benchmarks), while collaborating on incident postmortems to strengthen response processes.