Charitha Ramannagari
Cybersecurity Analyst | Expert in Email Security, Threat Detection, Incident Response, & Malware Analysis | Splunk Dashboards & Alerts | SIEM | SPL | Phishing/Spam Analysis
- Role
- System Engineer at Tata Consultancy Services
- Location
- Bengaluru, KA, IN
- LinkedIn followers
- 500 followers
About Charitha Ramannagari
As a Cybersecurity Analyst with over 4 years of experience, I specialize in threat…
Experience
System Engineer
Apr 2021 — Present · Bengaluru, IN
Cybersecurity Analyst | Tata Consultancy ServicesI lead efforts in detecting and mitigating threats in real time, with a focus on phishing/spam analysis, incident response, and email security optimization. I successfully designed and developed custom Splunk dashboards, alerts, and visualizations, which reduced incident response time by 25%. By integrating Splunk with Proofpoint, I automated the postmaster case resolution process, improving email deliverability by addressing SPF, DKIM, and DMARC authentication issues.In addition, my work in fraud monitoring and abuse detection has led to a 30% improvement in early threat identification, enabling a proactive response to security incidents. I also utilized regex for pattern-based detection, enhancing the effectiveness of phishing/spam remediation. Through detailed security investigations, I’ve identified root causes and implemented corrective measures to strengthen security posture and reduce future incidents.My work in identifying malicious accounts and performing take-downs has helped mitigate potential threats, ensuring continuous platform integrity. I also collaborated with cross-functional teams to optimize the response to abuse-related incidents, meeting SLAs and project deadlines consistently.
Education
Sri Venkateswara College of Engineering, Tirupati
Bachelor of Technology - BTech
2016 — 2020
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