Mobile Device Security Lock Mode Transition
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Solution Overview
Problem
Bluetooth mobile devices and other portable electronic devices are vulnerable to theft or loss due to their small size and public use, which can lead to unauthorized access to sensitive information.
Innovation Solution
A system that connects to a trusted device via a wireless link, transitions to a limited access mode upon receiving a lock command, and prevents communication with non-trusted devices until authorization is received, using a processor and memory with executable components for mode selection, authentication, and control to manage access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the device operates in open access mode allowing connections to any device, then ease of operation is improved, but security against unauthorized access deteriorates
Solution Approach 1:
The system dynamically transitions between open access mode and limited access mode based on received commands. In open access mode, the device accepts connections from any device. Upon receiving a lock command from a trusted device, it transitions to limited access mode where only pre-paired devices can connect. This dynamic state change allows the system to balance ease of operation with security requirements.
Solution Approach 2:
The access control parameter of the device is changed from permissive (open access) to restrictive (limited access) upon receiving a lock command. This parameter change modifies the device's behavior regarding connection acceptance, enabling it to enforce security policies while maintaining operational flexibility when needed.
2Object-affected harmful factors
If the device implements authentication checks for all connection attempts, then security is improved, but device complexity increases
Solution Approach 1:
The device performs authentication checks in advance by maintaining a list of pre-paired trusted devices. When a connection attempt is made, the system checks whether the requesting device is in the pre-established trusted list rather than performing complex real-time authentication. This preliminary pairing approach simplifies the runtime decision-making process while maintaining security.
Solution Approach 2:
The system uses simplified identity verification by comparing device identifiers against a stored list of trusted device identifiers. Rather than implementing complex cryptographic authentication, the system copies and compares basic identification data, reducing computational complexity while providing sufficient security for the application context.
Data Source
AI summary
Management of a mobile device security lock is described herein. A method as described herein includes connecting, by a system comprising a processor, to a trusted device via a first wireless communication link, receiving, by the system, a lock command from the trusted device, in response to receiving the lock command, transitioning from an open access mode of the system to a limited access mode, connecting, by the system, to a non-trusted device via a second wireless communication link while in the limited access mode, attempting, by the system, to obtain an authorization for communication by the system with the non-trusted device, and in response to the attempting to obtain the authorization being determined to be unsuccessful, preventing the communication with the non-trusted device.