Subham Bhadra

About Subham Bhadra

Hi, I’m Subham — a Security Engineer who makes security simple (and life…

Experience

1. Security Operation Associate L2

   PwC India

   Jan 2024 — Present · IN

   Incident Response & Investigation (35%)– Monitored and managed cybersecurity incidents across diverse clients using Azure Sentinel, leveraging KQL for streamlined targeted threat hunting and root cause analysis, achieving a 20% reduction in response time.– Enhanced client satisfaction by coordinating incident resolution across teams, reducing Mean Time to Resolution (MTTR) by 15%.• Use Case Development & Fine-Tuning (25%) – (Fine-Tuning Lead)– Led the end-to-end development and tuning of detection use cases in Azure Sentinel, improving detection accuracy and reducing false positives by 45% across client environments.– Created and fine-tuned KQL-based rules using real incident telemetry and SOC feedback to ensure high-confidence alerting aligned with MITRE ATT & CK tactics- On-call support and troubleshooting for critical incidents and escalations (24/7 rotation as required).• Platform & Tool Optimization & Automation (25%)– Designed customized dashboards (workbooks) and implemented Security Playbooks in Azure Sentinel for real-time monitoring and automated investigations, enabling quicker response times and continuous platform improvement- Onboarded security log sources and built custom parsers for Windows, Linux, Cloud audit and Finance Audit.• Report Preparation & Trend Analysis (15%)– Created weekly and monthly reports on incident trends and developed data-driven analyses, leading to a 10% increase in proactive threat identification and supporting strategic security decision-making.