Design Engineering
Showcase 2020

Project Stealth

Innovation Design Engineering
Humanising Technology

Project Stealth is the first-ever surveillance-proof multi-factor authentication interface for securing sensitive areas and digital information. Our technology is a wearable device, concealed inside the mouth that verifies users’ identity through mouth biometrics and a sense-gesture communication interaction protocol facilitated by the tongue.

 — Project Stealth
Project stealth mouth wearable.

Within an authentication system, the human element is one of the weakest links. The current authentication methods and interfaces for access control are not resilient enough in the era of surveillance.


Passwords are vulnerable to data breaches and shoulder-surfing by people or camera surveillance. They are also hard to manage, leading to significant numbers of compromises by careless insiders.

Smart Badges

Smart Badges used as security badges, can be traced, read and cloned by low skilled attackers with a simple piece of hardware. In case of losing the card, it brings a great risk of misuse and impersonation.


Biometrics are not resettable yet hackable. People leave traces of biometrics easily everywhere, which makes them less reliable if they are targeted and forged.

 — Project Stealth
The interface.

Project Stealth

Our vision is to confront the unforeseen repercussions of adopting IoT devices by creating a robust authentication interface for access control systems. We are enhancing humans for authentication, hence creating resilience by bridging the gap between humans and things. We are eliminating the vulnerability of passwords, RFID cards, and out-in-the-open biometrics, under omnipresent surveillance. With our solution, we are offering a hybrid authentication system where humans are less likely a weakness in cyber security.

 — Project Stealth
Exploded view layers.

Multi-Factor High Security

In our system, the high-level security is achieved by: The device and all the interactions are inside the mouth, making the chosen biometrics, presenting of the biometrics and presenting of the knowledge all private and no exposure to the outside world. The sense-gesture communication interaction protocol eliminates passwords, avoiding fraud, making it extremely hard to intercept. Using private mouth biometrics that are unique to each individual and even less likely to repeat within the family than fingerprints across generations. Storing all the holder data locally eliminates the need for centralized storage of biometrics data. This is the high-security level our device can achieve. Nevertheless, our technology can accommodate a variety of security requirements.

 — Project Stealth
How does it work?

Other Applications

Just the device itself without any of the biometrics or the communication protocol components can be a brilliant health data monitor. The mouth possesses amazing information that can be captured with the device to then be used mainly for disease diagnosis and understanding the behaviour of our mouth in real-time. When the communication protocol component is considered solely, we can readjust our technology for other application areas such as hands-free inclusive interfaces, gaming, aerospace control systems, interpersonal communication, and emergency communication mechanisms. For us the most exhilarating potential of this device is mixing its capabilities of data collection like biometrics (palate, tongue, saliva, and teeth), temperature, humidity, and pressure inside the mouth to apply it to an AI-based behavioural biometric algorithm, which could be the most symbiotic and robust identification system of our generation.

 — Project Stealth
Side view of the device.


That's pretty good. It makes me to think over its application.


It’s a brilliant idea to innovate a tool of biometrics for safety authentication . Even in a possible future when AI might invade real human beings, this device can help with distinguishing. Awesome!

Helen Yan

Fantastic idea, very innovative! Hope to see its applications.

Nina Wang

It is new and interesting to use biometrics in mouth as security authentication and the device itself as healthcare sensor. How to make the device clean and comfortable in the mouth might be a issue to resolve.

Jason Wu

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