Dynamic Security Control for Mobile Data Sharing
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Solution Overview
Problem
Conventional security control methods for mobile communication terminals only consider communication state and distance, failing to provide flexible control of security functions based on the features and states of terminals sharing highly-confidential data.
Innovation Solution
A control system with moving state detecting sections, moving terminal determining sections, security process determining sections, and security process executing sections that dynamically adjust security processes based on the moving state, inter-terminal distance, and operator authentication to ensure secure data sharing among multiple terminals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If security control is based only on communication state and distance, then the control system is simple, but it cannot provide flexible control for highly-confidential data sharing
Solution Approach 1:
The patent implements dynamic security control by continuously monitoring multiple terminal states (movement status, communication state, distance) and adjusting security functions in real-time based on the current state combination. The security control unit dynamically determines which security functions to execute based on the observed state, enabling flexible adaptation without requiring complex predetermined rules for every possible scenario.
Solution Approach 2:
The patent changes the parameters used for security control from static (communication state, distance) to dynamic by adding movement status detection. The system monitors changes in terminal positions and states, and adjusts security functions accordingly. This parameter expansion enables more nuanced security control that adapts to the actual usage context of each terminal.
2Measurement precision
If multiple security functions are implemented for flexible control, then security control precision is improved, but the complexity of detecting and measuring terminal states increases
Solution Approach 1:
The patent employs a universal detection approach where the same detection framework is used for multiple terminal states (movement status, communication state, distance). The security control unit centrally coordinates all detections and integrates them into a unified security decision-making process, avoiding the need for separate complex measurement systems for each state parameter.
Solution Approach 2:
The system implements continuous feedback loops where terminal states are constantly monitored and fed back to the security control unit. Based on this feedback, the system adjusts security functions in real-time. The feedback mechanism enables precise state detection while simplifying the overall system by using the actual observed states to guide security decisions rather than requiring complex predictive models.
Data Source
AI summary
A moving state detecting section 202 determines a moving state of a share source terminal 100. A moving state detecting section 302 determines a moving state of a share destination terminal 110. An inter-terminal distance measuring section 304 detects the distance between the share source terminal 100 and the share destination terminal 110. A security process determining section 305 determines a terminal and a function on which to perform a security process, based on the moving state of each terminal and the distance between the terminals. A security process executing section 306 notifies the determined terminal to perform the security process on the determined function.