Email Phishing Detector Chrome Extension

A Chrome extension that helps users identify potential phishing attempts in their emails using advanced detection techniques and an interactive, user-friendly interface.

Features

🔍 Smart Detection

• Analyzes email content in real-time
• Detects multiple types of phishing indicators:
  • Urgency tactics and pressure language
  • Suspicious links and URL patterns
  • Generic/impersonal greetings
  • Requests for sensitive information
  • Time pressure tactics
  • Potential sender spoofing

🎯 Risk Assessment

• Three-level risk classification:
  • 🔴 High Risk - Likely phishing attempts
  • 🟡 Suspicious - Exercise caution
  • 🟢 Low Risk - No obvious red flags

💡 Interactive Analysis

• Click on detected issues to highlight them in the email
• Visual badges for different types of threats
• Detailed explanations for each detected issue
• Specific recommendations based on risk level

📧 Email Provider Support

• Gmail
• Outlook
• Yahoo Mail
• (More providers coming soon)

Installation

1. Clone this repository or download the source code

git clone https://github.com/RohinSequeira/phishing_detection.git

2. Open Chrome and navigate to chrome://extensions/

3. Enable "Developer mode" in the top right corner

4. Click "Load unpacked" and select the extension directory

5. The extension icon should now appear in your Chrome toolbar

Usage

1. Open an email in a supported email provider (Gmail, Outlook, or Yahoo Mail)

2. Click the Email Phishing Detector extension icon

3. Click "Scan Current Email"

4. Review the analysis results:

   • Overall risk level
   • Warning badges for specific threats
   • Detailed list of detected issues
   • Click on any issue to highlight it in the email
   • Review recommended actions

Technical Details

Files Structure

• manifest.json - Extension configuration
• popup.html - Extension popup interface
• popup.js - Popup functionality and UI handling
• content.js - Email analysis and content processing
• images/ - Extension icons

Detection Patterns

The extension checks for:

• Suspicious sender domains
• Urgency keywords in subject
• Suspicious URL patterns
• Common phishing phrases
• Generic greetings
• Time pressure tactics
• Requests for sensitive information

Security Considerations

• The extension runs entirely in your browser
• No email content is sent to external servers
• All analysis is performed locally
• No sensitive information is collected or stored

Contributing

Contributions are welcome! Here are some ways you can help:

• Report bugs
• Suggest new features
• Add support for more email providers
• Improve detection patterns
• Enhance the user interface

Future Enhancements

• Support for more email providers
• Machine learning-based detection
• Custom rules configuration
• Historical analysis tracking
• Bulk email scanning
• Integration with known phishing databases
• Export and reporting features