Smart Website Security & Privacy Guardian

A powerful Chrome extension that protects you from phishing, malware, and trackers while respecting your privacy.

🚀 Quick Start - Development Setup

Prerequisites

• Google Chrome browser
• Text editor (VS Code recommended)

Installation for Testing

1. Download/Clone the project:

   cd smart-security-guardian

2. Load extension in Chrome:

   • Open Chrome and navigate to chrome://extensions/
   • Enable "Developer mode" (toggle in top-right corner)
   • Click "Load unpacked"
   • Select the smart-security-guardian folder
   • The extension should now appear in your extensions list!

3. Pin the extension:

   • Click the puzzle piece icon (🧩) in Chrome toolbar
   • Find "Smart Website Security & Privacy Guardian"
   • Click the pin icon to keep it visible

4. Test it:

   • Click the extension icon in your toolbar
   • Visit any website to see it in action

📁 Project Structure

smart-security-guardian/
├── manifest.json              # Extension configuration (Manifest V3)
├── service-worker.js          # Background logic & API calls
├── content-script.js          # Page analysis & DOM scanning
├── popup/
│   ├── popup.html            # Main UI popup
│   ├── popup.css             # Popup styles
│   └── popup.js              # Popup logic
├── lib/
│   ├── api-client.js         # API integration layer
│   ├── security-scorer.js    # Security scoring algorithms
│   ├── cache-manager.js      # Caching system
│   └── phishing-detector.js  # ML-based phishing detection
├── icons/
│   ├── icon16.png            # 16x16 icon
│   ├── icon48.png            # 48x48 icon
│   └── icon128.png           # 128x128 icon
├── rules/
│   └── tracker-rules.json    # Tracker blocking rules
└── README.md                 # This file

🎯 Development Phases

✅ Phase 1: Foundation (Current)

• Project setup + manifest.json
• Basic popup UI
• Service worker setup
• Tab detection
• Badge system

⏳ Phase 2: Core Security

• VirusTotal API integration
• PhishTank API integration
• Security score calculation
• Cache system
• Results display

🔮 Phase 3: Advanced Features

• ML phishing detection
• Tracker blocking
• SSL/TLS analysis
• Privacy scoring

🎨 Phase 4: Polish & Launch

• Testing & optimization
• Chrome Web Store submission
• Documentation

🔧 Features (Planned)

• 🛡️ Real-time Security Scanning - VirusTotal, PhishTank, URLhaus integration
• 🚫 Tracker Blocking - Block 100,000+ trackers using EasyPrivacy lists
• 🔒 Phishing Detection - ML-based URL analysis (95%+ accuracy)
• 📊 Privacy Score - Comprehensive website privacy analysis
• ⚡ Performance - <5% browser slowdown, <3 second scans
• 🎯 Zero Data Collection - Your privacy is our priority

📝 Development Notes

• Built with vanilla JavaScript (no frameworks for maximum performance)
• Manifest V3 compliant
• Uses Chrome Storage API for caching
• Implements declarativeNetRequest for efficient blocking

🧪 Testing

To test changes:

1. Make your edits to the code
2. Go to chrome://extensions/
3. Click the refresh icon (🔄) on the extension card
4. Test your changes

📊 Success Metrics

• Scan time: <3 seconds
• Performance impact: <5% browser slowdown
• Detection accuracy: 95%+ for phishing
• False positive rate: <1%

🔐 Privacy Policy

• Zero data collection - We don't track or store your browsing data
• Local processing - All analysis happens on your device
• API calls - Only made to check URLs for security threats
• Open source - Code is transparent and auditable

📞 Support

For issues or questions, please open an issue on GitHub.

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Version: 1.0.0
License: MIT
Built with ❤️ for a safer web