Prajna Nayak
Lead - Cyber Defense (AVP) @IDFC FIRST Bank
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WORK HISTORY
Lead - Cyber Defense (AVP) @IDFC FIRST Bank
Mumbai, IN
Leading detection engineering initiatives across the bank, including XSOAR-based automations for alert triage tips, MITRE ATT & CK use case tracking, false positive logic tuning, and enrichment/attribution of threat hunt findings using an LLM.• Spearheading evaluation of AI security solutions (HiddenLayer, AIShield, SingulrAI) for model vulnerability assessment, adversarial defense, and usage monitoring of enterprise AI apps; successfully validated Morphisec AMTD as a complementary EDR layer.• Migrated Zscaler Deception from on-prem to cloud with enhanced decoy coverage and a 90% drop in false positives through advanced alert tuning.• Drove SOC maturity programs including UEBA alert triage, aging incident reduction, and use case optimization—achieving a 25% drop in alert noise and validating detection efficacy via simulation.
EDUCATION
The D.G. Ruparel College
Bachelor’s Degree, Information Technology
Vellore Institute of Technology
Master’s Degree, Information Technology
SKILLS
ABOUT PRAJNA NAYAK
As an Information Security Professional, I have spent 9+ years honing my skills and expertise in this industry. I have worked majorly in Security Operations (SOC) and have now gained experience in Security for AWS Cloud too. As an avid learner, I am always seeking out new opportunities to expand my knowledge and am committed to lifelong learning. I am also a strong communicator, able to work effectively with cross-functional teams and build productive relationships with key stakeholders.
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