David Varghese
Security Analyst (SOC) | Detection Engineering | Threat Intelligence | Security Automation | Incident Response
- Role
- Security Analyst at PwC
- Location
- Mumbai, MH, IN
- LinkedIn followers
- 500 followers
About David Varghese
I am a Security Analyst working in a SOC within the Threat Detection Engineering team, focused on identifying, analyzing, and improving detection capabilities against evolving cyber threats. My work centers around strengthening security monitoring, enhancing detection logic, and leveraging automation to improve response efficiency to reduce risk across the organization.I began my career in IT working in software development, over the course of three years, I gained hands-on experience building applications and automating development and operational workflows. My exposure to application security during this time sparked my interest which led me to formally transition into cybersecurity, where I now focus on detection engineering and security operations.I am naturally analytical and systematic in my approach to problem-solving. I enjoy breaking down complex problems, improving processes, and continuously refining detection strategies. With a strong technical foundation and practical experience across development, cloud, and security operations, I aim to contribute meaningfully to strengthening organizational security posture.I welcome connections from cybersecurity professionals, peers in security operations, and those interested in information security.
Experience
Security Analyst
Sep 2025 — Present
Built and optimized 50+ detection rules across cloud, network, and endpoint systems, strengthening visibility and accelerating threat discovery.• Reduced false positives by ~35%, significantly improving signal-to-noise ratio and SOC analyst efficiency.• Performed proactive threat hunting that uncovered high-risk activity ahead of escalation, improving enterprise risk posture.• Automated repetitive detection workflows, cutting manual analysis time by ~25% and boosting overall SOC productivity.
Education
Don Bosco Institute of Technology (D.B.I.T)
Bachelor of Engineering - BE, Computer Engineering
2016 — 2020
University of Alabama at Birmingham
Master's degree, Cyber Security
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