Rajana Vara Prasad

Senior Security Analyst @Ventrek Solutions

Senior Cybersecurity Analyst (L2)| Ventrek Solutions Pvt. Ltd | May 2022 – Present• Led the end-to-end investigation and containment of all L2 security incidents, including sophisticated malware, APT, and data exfiltration attempts, ensuring rapid resolution within established SLAs.• Improved detection efficacy by proactively assisting with SIEM rule fine-tuning and drafting correlation searches in Splunk, contributing to a 30% reduction in false positives.• Supported manual Threat Hunting campaigns by validating potential IOC/IOA matches against EDR/SIEM data, successfully identifying and escalating indicators of subtle threat actor activity.• Performed Root Cause Analysis (RCA) for all critical incidents, producing detailed post-incident reports and providing strategic recommendations to L3 and engineering teams for security control hardening.• Contributed to the development of security policies and procedures based on threat modelling insights and high-severity incident trends.• Conducted regular technical briefings for team members and senior stakeholders on emerging threats, IOCs, and TTPs to foster organizational awareness.• Contributed to DDoS mitigation efforts and identified network anomalies using advanced network analysis tools like Wireshark and NetFlow, enhancing overall network defense capabilities.• Mentored junior SOC Analysts (L1) on advanced triage techniques, incident containment procedures, and proper documentation standards in ServiceNow.