Secure Mobile Computingusing Biotelemetrics

Mahlon GrahamUniversity of Virginia

NSF Research Experience for Undergraduates

Contents

Motivation Patch Simulator State Diagram State Definitions Secure Mobile Computing in Action Future Work Special Thanks

Motivation

Secure Mobile Computing is a way to protect data stored on mobile computing devices, such as PDA’s, laptops, as well as specialized Military equipment.

Use biometric data to authenticate Heart beat, respiratory, body heat

Motivation What sort of data should be secured?

Corporation Trade Secrets Sensitive Financial Information In-the-field troop movements, etc

What could happen to the user? User goes unconscious, device becomes

vulnerable User taken hostage, forced to access

sensitive data User becomes deceased, device taken by

enemies

How to determine user status Wearable biometric patch transmits

heart beat data packets to mobile device Software interprets data and acts

according to set of predefined events Event triggers

Low heart rate for a given time Elevated heart rate for a given time Dramatic elevation of heart rate over short

time Timeout Disconnection

Patch Simulator

Developed to duplicate heart beat data in controllable manner

Key features: Modular communication protocols to

allow for simple addition of proprietary communication channel if necessary

Displays summary of key information Scenario-based heart rate modification

State Diagram

State Diagram

State Definitions Locked State – Nothing done to data, but not

currently available to user multiple authentication required to unlock device

Safe State – Data is secure, cannot be easily recovered

Delete Data Encrypt Data Secure Delete / Wipe Data

Hard Reset – Device totally wiped, returned to factory settings

Secure Mobile Computing in Action!

Demonstrate functionality of all elements of the system

Future Work Implement Secure Mobile software as

background process Policy Controls in action unbeknownst to

user Integrate additional biometrics

Respiration Body Temperature

Optimize and increase robustness of checkHRChange() algorithm

Special Thanks to…

Dr. Alfred C. Weaver Andrew Jurik Paul Bui and Joel Coffman