GovHack 2025
Digital Guardian

The Problem: Protecting Older Australians from Scams
Older Australians are increasingly targeted by sophisticated scams, resulting in significant financial and emotional harm. Traditional protection methods struggle to keep pace with evolving threats.
Digital Guardian addresses this challenge by combining cutting-edge AI with accessible mobile technology to provide real-time protection and guidance.
The Solution
Digital Guardian is a multi-agent AI pipeline combined with a native iOS app featuring on-device intelligence. This dual approach ensures:
- Real-time scam detection and alerts
- Privacy-preserving on-device processing for sensitive data
- Accessible interface designed for older users
- Cloud-based AI agents for complex analysis
- Educational guidance to help users recognise future threats
Technology Stack
AI & Backend
- Google Agent2Agent (A2A) Protocol
- Claude Code (Anthropic)
- Gemini Pro
iOS App
- SwiftUI
- Core ML
- OpenELM-270M (On-device LLM)
Key Features
Multi-Agent Analysis
Specialized AI agents work together to analyze potential scams from multiple angles.
On-Device Intelligence
Privacy-first approach with local processing using OpenELM-270M.
Accessible Design
Large text, clear buttons, and simple navigation designed for older users.
Real-Time Alerts
Instant notifications when suspicious content is detected.
Educational Content
Learn to recognize scam patterns with contextual explanations.
Trusted Sources
Verification against government and official databases.