---
title: "Nagrajan N G - Information Security Analyst in Greater Chennai Area | Tal"
description: "Meet Nagrajan N G, Analyst - Information Security | Malware Analysis | Threat Hunting | Cortex XDR | XQL | Palo Alto Networks | Purple Team based in Greater Chennai Area."
image: "https://tal.club/meet/nagrajan/share-image"
---

# Nagrajan N G on Tal

## Headline

Analyst \- Information Security \| Malware Analysis \| Threat Hunting \| Cortex XDR \| XQL \| Palo Alto Networks \| Purple Team

## About

Threat hunter and security analyst with hands\-on experience across Malware Analysis, Threat Hunting, and Offensive Security since December 2021\. Executed 60\+ MITRE ATT&CK–aligned hypothesis\-driven hunts using Palo Alto Cortex XDR \(XQL\) and Microsoft Defender \(KQL\), uncovering real phishing incidents and preventing potential attacks\. Known for reducing false positives \(≈40–45%\), automating intel\-based hunting, and delivering actionable reports on unauthorized applications and extensions\. Contributed to EDR migration \(FireEye → Cortex XDR\), detection tuning, purple team exercises, Manual and BAS \(Cymulate\), and SOAR playbook improvements\. Currently focused on Red Team / Offensive Security, using attacker TTPs to strengthen detection and response\.

## Location

Greater Chennai Area

## Work experience

Information Security Analyst at Infosys, Dec 2025 \- Present · 8 mos, Chennai, Offensive Security Beginner \| Learning core red\-team tactics, exploitation basics, and adversary simulation through hands\-on lab practice

Information Security Analyst at Infosys, Apr 2025 \- Nov 2025 · 8 mos, Chennai, worked in threat hunting and research team

Senior Information Security Engineer at Infosys, Apr 2024 \- Mar 2025 · 1 yr, Chennai, worked in threat hunting and research team

## Education

Bachelor of Technology \- BTech, Information Technology, St\. Joseph's Institute of Technology

Certificate course, Applied Cybersecurity Essentials, Purdue University

[View the original profile](https://tal.club/meet/nagrajan)

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