Ben Hopkins & Morten Legarth
Fighting Fraud with an AI Grandma - Ben Hopkins and Morten Legarth from faith @ VCCP
#1about 4 minutes
Embracing generative AI with an optimistic outlook
Faith @ VCCP was created to proactively explore generative AI as an accelerator for human creativity rather than succumbing to industry fear.
#2about 2 minutes
Creating an AI grandma to fight phone scammers
The project Daisy was inspired by scam baiting YouTubers to create an AI that could engage thousands of scammers simultaneously, preventing them from targeting real people.
#3about 1 minute
Shifting from scam awareness to direct disruption
Traditional educational campaigns about scams lack cut-through, prompting a shift to proactive "story doing" to disrupt scammers directly.
#4about 3 minutes
Blending technical development with creative world building
The bot was developed in-house by a team that combined technical skills for the workflow with creative direction for world-building and character design.
#5about 4 minutes
Choosing a grandma persona for creative and technical reasons
A grandma persona was chosen to create a compelling story by flipping stereotypes and to technically mask AI response latency as natural pauses.
#6about 2 minutes
Navigating GDPR and the ethics of scam baiting
The team consulted with legal experts to navigate GDPR and the ethical rights of scammers, ultimately proceeding due to the criminal nature of the activity.
#7about 2 minutes
Designing a believable persona beyond generic AI
To make the character believable, the team used detailed world-building prompts and iterative training, even incorporating emergent traits like a pet cat named Fluffy.
#8about 7 minutes
Cloning a voice from natural conversational data
Instead of using generic voice libraries trained on narration, the team cloned a real grandmother's voice from hours of natural conversation to achieve a believable tonality.
#9about 3 minutes
The successful first live test with a real scammer
The first live test was a major success, with the AI keeping a scammer engaged for 15 minutes by seamlessly pivoting the conversation to a bird in her garden.
#10about 4 minutes
Considering the energy consumption of a voice-based AI
The project's energy consumption was deemed relatively low as it is voice-based and primarily involves fine-tuning models on consumer-grade hardware, not large-scale pre-training.
#11about 3 minutes
Measuring success through awareness and disruption
The project's success was measured by its ability to waste thousands of scammers' time and by driving a 44% increase in the use of the 7726 scam reporting service.
#12about 4 minutes
Future applications and positive public reception
Future plans involve using the AI to gather intelligence on scammer tactics, building on the project's positive reception from both the public and security professionals.
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Wilken GmbH
Ulm, Germany
Senior
Kubernetes
AI Frameworks
+3
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Jobs that call for the skills explored in this talk.


University of the Arts, London
Sleaford, United Kingdom
£34-41K
Python
PyTorch
TensorFlow






