LinkedIn Fake Post Detector Chrome Extension

A powerful Chrome extension that automatically detects fake and fraudulent job postings on LinkedIn by analyzing recruiter posting patterns.

🎯 Features

• Automatic Detection: Scans LinkedIn posts automatically and identifies suspicious patterns
• Fake Post Detection: Detects fake posts when a recruiter posts 5+ hiring posts within 5 days
• Manual Analysis: Press Ctrl (or Cmd on Mac) + Click on any post to analyze it manually
• Personalized Warnings: Shows detailed, personalized messages explaining why a post is fake
• Risk Scoring: Assigns risk scores to recruiters based on their posting behavior
• Visual Badges: Displays color-coded badges on posts (🚨 High Risk, ⚠️ Suspicious, ✅ Genuine)
• Statistics Dashboard: View tracked recruiters and their risk levels in the extension popup

🚀 Installation

1. Download/Clone this repository
2. Open Chrome and navigate to chrome://extensions/
3. Enable Developer Mode (toggle in top right)
4. Click "Load unpacked" and select the extension directory
5. The extension is now installed!

📖 How to Use

Automatic Scanning

• Simply browse LinkedIn as normal
• The extension automatically scans posts on your feed
• Fake or suspicious posts will show warning badges automatically

Manual Analysis

1. Navigate to any LinkedIn page with posts
2. Press Ctrl (Windows/Linux) or Cmd (Mac) + Click on any post
3. The extension will analyze the post and show a detailed warning if it's fake

View Statistics

1. Click the extension icon in your Chrome toolbar
2. View statistics about tracked recruiters
3. See risk levels and posting patterns

🔍 Detection Criteria

The extension detects fake posts based on:

1. Fake Pattern Detection (Primary):

   • 5+ hiring posts within 5 days → FAKE POST DETECTED

2. Suspicious Patterns:

   • 3+ posts in a single day
   • 5+ different roles posted
   • Same role posted 2+ times
   • 10+ total job posts observed

⚠️ Warning Messages

When a fake post is detected, you'll see:

• 🚨 FAKE POST DETECTED - DO NOT APPLY
• Detailed explanation of why it's fake
• Personalized message with specific counts
• Recommendations to avoid applying
• Link to view the recruiter's profile

🛡️ Why This Matters

Fake job postings are used to:

• Collect resumes and personal information
• Phish for credentials
• Scam job seekers
• Harvest contact information for spam

This extension helps protect you by identifying these patterns before you apply.

🔧 Technical Details

• Manifest Version: 3
• Permissions:
  • activeTab: To interact with LinkedIn pages
  • storage: To save recruiter data
  • scripting: To inject content scripts
  • tabs: To manage tabs

📝 Files Structure

CheckOnce/
├── manifest.json       # Extension manifest
├── background.js       # Background service worker
├── content.js          # Main content script (post detection logic)
├── content.css         # Styles for badges and warnings
├── popup.html          # Extension popup UI
├── popup.js            # Popup logic
├── icons/              # Extension icons
└── README.md           # This file

🐛 Troubleshooting

Extension not working?

• Make sure you're on a LinkedIn page (linkedin.com)
• Refresh the LinkedIn page
• Click the extension icon and press "Scan This Page Now"

Badges not showing?

• Wait a few seconds for the page to load
• Scroll down to trigger scanning
• Try manually analyzing a post (Ctrl+Click)

Data not saving?

• Check Chrome storage permissions
• Clear data and try again using the "Clear" button in popup

📄 License

This project is open source and available for personal and commercial use.

🤝 Contributing

Contributions are welcome! Please feel free to submit issues or pull requests.

⚡ Updates

• v1.0.0: Initial release with fake post detection
• Enhanced with 5+ posts in 5 days detection
• Added personalized warning messages
• Improved UI with fake post badges

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Stay Safe! 🛡️ Always verify job postings through official company websites before applying.