Description

🎯 Overview

Quiz Background Watermark is a Moodle quiz access rule plugin that enhances quiz security and branding by adding a configurable watermark or background image to quiz attempt pages.

It allows institutions to display their logo or custom watermark across quiz content, helping discourage unauthorized sharing while maintaining a clean and readable interface.

🚀 Key Features

• 🖼️ Watermark / Background Image
  • Upload a logo or image from admin settings
  • Display across entire quiz or per question area
• 🎛️ Custom Opacity Control
  • Adjust transparency to ensure readability of questions and answers
• 🔒 Basic Security Controls
  • Disable right-click on quiz pages
  • Attempt to block developer tools shortcuts (client-side deterrent)
• 🎯 Flexible Display Options
  • Apply watermark globally or only within question/answer sections
• ⚡ Lightweight & Seamless Integration
  • Works with standard Moodle quiz interface
  • No changes required per quiz

💡 Use Cases

• Add institutional branding to quiz pages
• Discourage screenshot sharing of exam content
• Create a more controlled and professional exam environment
• Enhance LMS visual identity

🧩 How It Works

Once installed and configured:

1. The administrator uploads a watermark image.
2. The plugin automatically applies the watermark to all quiz attempt pages.
3. Optional security settings (like disabling right-click) are enforced during quiz attempts.

No per-quiz configuration is required.

⚙️ Configuration

Navigate to:

Site administration → Plugins → Activity modules → Quiz → Background Watermark

Available settings:

• Upload watermark image
• Set opacity level
• Enable/disable right-click restriction
• Enable/disable developer tools restriction
• Choose where watermark is applied

🔐 Security Disclaimer

This plugin provides client-side deterrents only and is intended to discourage casual misuse.

• It does not fully prevent screenshots or external recording
• Developer tools restrictions can be bypassed by advanced users
• For high-stakes exams, consider using additional solutions such as:
  • Safe Exam Browser (SEB)
  • Proctoring tools

🧪 Compatibility

• ✔ Moodle 4.0 and later
• ✔ Tested on Moodle 4.4
• ✔ Compatible with MySQL and PostgreSQL

🔒 Privacy

This plugin does not store, process, or transmit personal data.