Hello, I'm

Hariharan M

Cyber Threat Intelligence Analyst · OSINT Researcher · Cybercrime Investigator

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About Me

Experience
3+ Years
Reports
80+ Delivered
Projects
4+ Built

Cybersecurity professional with 3+ years of experience in Cyber Threat Intelligence, Digital Risk Protection, and Attack Surface Management. Experienced in dark web investigations, phishing detection, OSINT and HUMINT operations, internet-scale security research, and threat intelligence automation.

Built a money mule identification system that collected 100,000+ threat actor data points, helping government and financial institutions close nearly 90% of first-hop mule accounts within a day of creation. Authored the standard operating procedures for persona management and brand-impersonation investigations now used team-wide. Currently a Threat Intelligence Lead at Redhunt Labs, focused on DRP, phishing detection engineering, and AI security research.

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Selected highlights

Notable Works

Money Mule & Financial Fraud Intelligence

Investigated large-scale investment scams, betting platforms, and money mule networks across India and Southeast Asia using OSINT, HUMINT, and fraud intelligence techniques. Built a money mule identification system that collected and analyzed 100,000+ threat actor data points, helping government agencies and financial institutions close nearly 90% of first-hop mule accounts within a day of creation.

Where I've Worked

Professional Experience

Redhunt Labs

May 2025 – July 2026 · Remote

Threat Intelligence Lead

  • DRP assessments for enterprise clients across India and Southeast Asia — phishing, brand abuse, dark web exposure, and executive impersonation.
  • Authored the team's SOPs for sock-puppet/persona management and brand-impersonation investigations, standardizing OPSEC practices across the CTI team.
  • Built an automated phishing detection system that discovers brand look-alike domains and forensically scores them for takedown.
  • Built internet-scale scanning on AWS and Terraform, covering the global IPv4 HTTPS attack surface in under 28 hours.
  • Designed Telegram intelligence architecture — channel onboarding, keyword monitoring, threat-actor tracking.

Saptang Labs

Jan 2023 – May 2025 · IIT MRP, India

Cyber Threat Intelligence Analyst

  • Built a money mule identification system that collected 100,000+ threat actor data points, helping close nearly 90% of first-hop mule accounts within a day of creation.
  • Led OSINT, HUMINT, and social engineering investigations across financial scams — crypto, lottery/gambling, and money mule networks.
  • Monitored 20+ underground forums and Telegram channels, mapping TTPs to MITRE ATT&CK and producing 80+ intelligence reports.
  • Detected phishing sites, cloned APKs, and impersonation campaigns — including 2,000+ SEO-poisoned .gov.in pages and 10,000+ fraudulent customer-care numbers on YouTube.
  • Supported law enforcement and regulatory investigations into financial fraud, terrorist funding, and extremist networks.
  • Shipped an MVP in under two weeks with 10,000+ threat indicators for pilot validation.
What Skills I Have

My Experience

Threat Intelligence

OSINT & HUMINT

Experienced

Dark Web Intelligence

Experienced

Digital Risk Protection

Experienced

Threat Hunting

Experienced

Brand Monitoring

Experienced

Attack Surface Management

Experienced

MITRE ATT&CK Framework

Experienced

Fraud & Financial Crime Intelligence

Experienced

Technology & Tools

Python

Experienced

AWS / Terraform / Docker

Experienced

Shodan / Censys

Experienced

VirusTotal / URLScan.io

Experienced

SecurityTrails / FOFA

Experienced

Maltego / Google Dorking

Experienced

Burp Suite / Wireshark

Intermediate

MongoDB / Selenium / Celery

Experienced
What I Know

Learning and Achievement

Education

  • B.Tech - Computer Science and Business Systems

  • Sri Eshwar College of Engineering, 2021–2025

  • CGPA 8.61

Achievements

  • CTFs & hackathons with team NandBytes

  • Cybersecurity blogs on Medium — OSINT & CVEs

  • Co-authored the Payment Gateway Security Handbook

  • Smart Hack Challenge Winner 2022

  • Rajya Puraskar Award 2019

My Recent Projects

Portfolio

TeleScribe CTI Telegram Threat Channel Analyzer screenshot

Telescribe — Telegram Channel Analyzer

Builds an OSINT relationship map between Telegram channels by extracting shared t.me links from channel messages, plus AI-classifies threat relevance and surfaces IOCs for fast CTI triage.

Hacking Forums Bank dashboard screenshot

Forums Bank — OSINT Intelligence Repository

Curated repository of cybercrime forums, marketplaces, and underground communities — organized and searchable for faster threat research and dark web investigations. Contributed multiple dark web forums to expand its coverage.

Fun Projects

Zenblock browser extension landing page screenshot

Zenblock — Firefox & Chrome Extension

Distraction-blocking browser extension for website blocking, daily time limits, and scheduled access controls — with category-based filtering, focus mode, customizable block pages, and usage tracking.

Linux Rice Catalogue gallery screenshot

Linux Rice Catalogue — React

Community-driven platform for discovering and sharing Linux desktop customizations across distributions, themes, and window managers — with search, submissions, screenshot galleries, and authentication workflows.

Get In Touch

Contact Me