Lawful Interception in Mobile Connect Identity Gateway
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Solution Overview
Problem
Law enforcement agencies face difficulties in performing lawful interception in mobile connect contexts due to the lack of immediate access to personal data associated with technical target identities, requiring manual investigations and limited information availability.
Innovation Solution
A method involving an LI intercept access point function in an MC identity gateway that detects authentication and authorization procedures to obtain and provide personal data to a LI mediation and delivery function, facilitating the provision of personal data to law enforcement agencies during specified lawful interception intervals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual investigation in proprietary databases is used to obtain personal data, then data privacy is protected, but law enforcement productivity and investigation speed deteriorate
Solution Approach 1:
The patent introduces an intermediary system that acts as a mediator between the secure personal data storage and law enforcement access requirements. This intermediary enables automated provision of personal data to law enforcement while maintaining privacy protections through controlled access mechanisms, thereby resolving the contradiction between data privacy protection and investigation speed.
2Reliability
If only technical target identities are provided to law enforcement, then system security is maintained, but measurement precision of target identification deteriorates
Solution Approach 1:
The patent implements preliminary actions by pre-establishing secure access mechanisms and authorization frameworks before law enforcement requests are made. This allows personal data to be rapidly provided when needed, improving target identification accuracy without compromising system security, as the security framework is already in place and does not require real-time negotiation.
3Productivity
If personal data is immediately available to law enforcement, then investigation efficiency improves, but data security and access control may deteriorate
Solution Approach 1:
The patent implements feedback mechanisms that continuously monitor and control access to personal data. The system provides feedback on authorization status, access requests, and data retrieval operations, enabling efficient investigation while maintaining security through real-time validation and control. This feedback loop ensures that productivity gains do not compromise data security.
Data Source
AI summary
A lawful interception, LI, intercept access point, IAP, function (135) in a mobile connect, MC, identity gateway, ID GW, function (107) receives, from a LI administrative function, ADMF (108), a request for activation of LI for a target identity, A, during a specified LI time interval. A detection is made, during the LI time interval, that the ID GW function (107) has at least started an authentication and authorization procedure for a service that the target identity, A, has requested and as a consequence of the detection obtaining, from the ID GW function (107), personal data pertaining to the target identity, A, and providing the obtained personal data pertaining to the target identity, A, to a LI mediation and delivery 10 function MF/DF (132), for example via an X2 interface.