Secure Mobile Computing using Biotelemetrics Mahlon Graham University of Virginia NSF Research Experience for Undergraduates.

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Presentation transcript:

Secure Mobile Computing using Biotelemetrics Mahlon Graham University 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 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