Sreekanth Chowdary

About Sreekanth Chowdary

Around 5 years of IT experience in designing, developing, testing, and implementing…

Experience

1. Cyber Security Specialist

   TransUnion

   Jun 2024 — Present · US

   Developed and automated Python scripts for extracting and analyzing email attributes from Outlook, enhancing threat identification and response. Configured and managed SIEM solutions such as Splunk and Microsoft Sentinel, creating advanced dashboards, custom queries, and analytics rules for real-time threat detection and incident response. Designed and implemented automation playbooks in Cortex XSOAR and Splunk SOAR to optimize threat response workflows and reduce manual intervention. Utilized CrowdStrike Falcon EDR for proactive threat hunting, behavioral analysis, and forensic investigations, ensuring timely detection and remediation of security incidents Strengthened cloud security posture using Wiz, AWS Security Hub, CSPM, DSPM, and SSPM to detect misconfigurations, enforce compliance, and enhance security visibility. Developed and enforced data loss prevention (DLP) policies using Microsoft Purview and Proofpoint to secure sensitive data across cloud platforms, emails, and collaboration tools. Deployed and optimized AWS security services such as GuardDuty, CloudTrail, and CloudWatch to monitor and respond to security threats, ensuring continuous compliance. Engineered SIEM dashboards and automated reporting mechanisms to provide actionable security insights, improve threat monitoring, and ensure compliance with regulatory standards. Led and facilitated cross-functional tabletop exercises simulating real-world cyber incidents (e.g, ransomware, cloud account takeover), involving SOC, legal, business continuity, and infrastructure teams; used MITRE ATT & CK to map tactics and evaluate detection, response, and recovery workflows. Developed realistic incident scenarios for security workshops, incorporating phishing, lateral movement, and data exfiltration behaviors; delivered after-action reports (AARs), identified response gaps, and implemented improvements in SOAR playbooks, escalation protocols, and EDR alerting

Education

• Eastern Illinois University

  Master's degree