Dheeraj V

About Dheeraj V

I am a SOC Analyst with 4+ years of hands-on experience in security monitoring, SIEM/EDR…

Experience

1. Security Analyst

   Tata Consultancy Services

   Feb 2022 — Present · IN

   Performed real-time alert monitoring and incident response using Splunk, ELK and Microsoft Sentinel.Investigated malware, phishing, brute-force, and privilege escalation alerts with deep-dive analysis.Correlated logs from endpoints, cloud, firewalls, and identity systems for accurate incident validation.Documented RCA, updated investigation notes, and optimized SIEM rules to reduce false positives.Analyzed AWS CloudTrail and Azure logs to detect IAM anomalies and suspicious identity behaviors.Investigated MFA failures, token misuse, and unusual login patterns across cloud environments.Built KQL/SPL queries to strengthen detection capabilities and support threat hunting activities.Identified misconfigurations and provided recommendations to improve cloud security posture.Investigated phishing, spoofing, and malicious email incidents using Proofpoint PPS/POD.Performed URL/attachment sandboxing and correlated findings with SIEM + EDR alerts.Identified targeted phishing campaigns and executed timely containment and remediation actions.Supported security awareness by documenting recurring patterns and recommending policy improvements.