Online Marketplace & E-commerce Investigation

Investigate sellers, track fraud, and uncover counterfeit operations on e-commerce platforms.

12 min read
Beginner
Overview

Online marketplaces are hotbeds for fraud, counterfeiting, and illegal sales. This tutorial teaches you how to investigate sellers, track product listings, and identify fraudulent operations on platforms like eBay, Amazon, and Craigslist.

You'll learn to analyze seller profiles, track listing patterns, identify counterfeit goods, connect sellers across platforms, and gather evidence for brand protection or law enforcement.

These skills are valuable for brand protection teams, consumer advocates, law enforcement, and anyone investigating e-commerce fraud.

Tools You'll Need

Tineye

Image Search

Track product images across multiple platforms

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Fakespot

Review Analysis

Analyze reviews for authenticity and manipulation

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CamelCamelCamel

Price Tracking

Track Amazon price history and seller changes

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Wayback Machine

Archive

View historical versions of product listings

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Google Shopping

Product Search

Track products across multiple retailers

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Step-by-Step Guide
  1. 1

    Document the seller profile with screenshots and archive the listing

  2. 2

    Check seller feedback, ratings, and account age

  3. 3

    Reverse image search product photos to find other listings

  4. 4

    Analyze product descriptions for copied text or templates

  5. 5

    Check for similar listings from the same seller or related accounts

  6. 6

    Look for contact information or social media links

  7. 7

    Cross-reference usernames and email addresses across platforms

  8. 8

    Track shipping origins and fulfillment patterns

  9. 9

    Report findings to platform support or authorities if illegal

Tips & Best Practices
  • Archive everything immediately - listings can disappear quickly

  • Sellers often use same photos across multiple accounts/platforms

  • Check if product images are stock photos or stolen from legitimate sellers

  • Analyze review patterns - fake reviews often appear in clusters

  • New accounts with many high-value listings are suspicious

  • Track seller names and business addresses for connections

  • Price too good to be true usually indicates fraud or counterfeits

  • Many counterfeit sellers rotate accounts after being banned

Community Tips & Insights

Share your own tips or learn from the community's experience

Share Your Tip

OSINTExpert9/25/2025

I've found that combining multiple reverse image search engines in parallel significantly improves results. Don't rely on just one!

CyberSleuth9/28/2025

Always document your methodology step-by-step. This helps with reproducibility and explaining your findings to others.