Mobile Device Hardware Component Theft Detection via DUSN Blacklisting
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Solution Overview
Problem
Current methods to prevent smartphone theft, such as remote locking and data wiping, are insufficient as thieves can still sell valuable hardware components without activating security mechanisms, as they often power off the device to avoid detection.
Innovation Solution
A system that generates and compares Dynamic Unique Serial Numbers (DUSNs) for hardware components within a mobile device, communicating with a lost component database to disable the device if stolen components are detected, even when the device is powered off.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If remote locking and data wiping methods are used to prevent smartphone theft, then data security is improved, but thieves can still sell valuable hardware components without activating security mechanisms
Solution Approach 1:
The patent segments the device identification system into multiple hardware components (motherboard, CPU, RAM, storage, camera, etc.), each with its own unique identifier. This segmentation allows the system to track individual components even when separated from the original device, preventing thieves from selling stolen parts without detection.
Solution Approach 2:
The system performs preliminary actions by registering hardware component identifiers with the carrier database before theft occurs. When a device is reported stolen, the carrier proactively blacklists the component identifiers, so that any attempt to activate or use these components in a different device is automatically detected and blocked, preventing the harmful effect before it can occur.
2Ease of operation
If thieves power off the device to avoid detection, then the device cannot be tracked, but security mechanisms are not activated
Solution Approach 1:
The system performs preliminary blacklisting of hardware identifiers before the thief can power off or activate the device. When the stolen device or any device containing stolen components attempts to activate or connect to the network, the carrier's system has already pre-blocked those identifiers, making detection automatic and immediate without requiring the device to remain powered on during the theft.
Solution Approach 2:
The system establishes continuous feedback loops between the mobile device, carrier network, and component verification system. Every time a device attempts to activate or connect to the network, the carrier verifies the hardware identifiers against the blacklist database, providing real-time feedback that detects stolen components regardless of whether the original device was powered off or the components were transferred to a new device.
3Quantity of substance
If hardware components are removed and sold separately, then valuable parts can be monetized, but the original device becomes inoperable
Solution Approach 1:
The patent assigns unique identifiers to individual hardware components and segments the tracking system to monitor each component separately. This allows the system to detect when components are removed from the original device and attempted to be activated in a different device, enabling the carrier to blacklist specific stolen components while potentially leaving the original device functional if components are restored.
Solution Approach 2:
The carrier's component verification system acts as an intermediary between the hardware components and the network. Before any stolen component can be activated or used to access network services, the intermediary verification system checks the component's identifier against the blacklist, blocking unauthorized activation and preventing the monetization of stolen parts.
Data Source
AI summary
A first hardware component identifier may be read for a first hardware component of a computing device. The reading of the first hardware component identifier for the first hardware component may be performed by a processor of the computing device reading a read-only memory of the first hardware component. A second hardware component identifier and an alert indicator over a network may be received. The second hardware component identifier and the alert indicator may correspond with the first hardware component. The first hardware component identifier may be compared with the second hardware component identifier. The computing device may be disabled when the first hardware component identifier matches the second hardware component identifier and the alert indicator indicates that the first hardware component has been reported stolen.