Wireless Device Gesture Security via Sensor Context

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Solution Overview

Problem

Wireless telecommunications devices using NFC or RFID technology face security and privacy concerns due to vulnerabilities such as external power supply, wireless communication, and persistent state memory, which can lead to tracking, scanning, and man-in-the-middle attacks during data exchange.

Innovation Solution

Implementing sensors in wireless telecommunications devices to derive physical context data, ensuring that data exchange occurs only when the device is moved in a gesture consistent with its intended use, such as a tapping or swiping motion, thereby preventing unintentional data transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If wireless communication technology (NFC/RFID) is used to exchange data, then convenience and speed of transaction are improved, but security and privacy are worsened due to vulnerabilities to tracking, scanning, and man-in-the-middle attacks

Engineering Contradiction:

Improvetransaction speedVSAvoidsecurity vulnerabilities

Core Design Contradiction:

SpeedVSObject-affected harmful factors

Solution Approach 1:

The system performs preliminary actions by detecting gestures and determining user intent before allowing data exchange to occur. The sensor detects device movement, the system determines whether the movement indicates intentional use, and only then permits communication - preventing unauthorized transactions before they can happen

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system introduces an intermediary security layer between the wireless communication components and the external environment. This intermediary validates user intent through gesture detection and physical context analysis, acting as a mediator that blocks unauthorized access while permitting legitimate transactions

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If the device allows wireless data exchange without restrictions, then ease of operation is improved, but the risk of unauthorized data transmission is worsened

Engineering Contradiction:

Improveease of data exchangeVSAvoidunauthorized data transmission

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system dynamically adjusts its security state based on real-time sensor input and gesture detection. Rather than being statically locked or unlocked, the system transitions between states based on detected physical context and determined user intent, allowing legitimate operations while blocking unauthorized ones

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system continuously monitors sensor data providing feedback on device physical context and movement. This feedback loop allows the system to detect gestures, determine intent, and adjust data exchange permissions in real-time based on ongoing physical context analysis

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS8934940B1Providing enhanced security for wireless telecommunications devices

Publication Date: 2015.01.13 EMC IP HLDG CO LLC

AI summary

A method and system for use in providing enhanced security for wireless telecommunications devices is disclosed. In at least one embodiment, the method and system may use a sensor of a wireless telecommunications device to help derive physical context data associated with the wireless telecommunications device. The physical context data can be used to determine whether the wireless telecommunications device has been moved in a gesture that is consistent with a use of the wireless telecommunications device for a specific purpose.