Safe Lock Bypass Relay for Audit Trail Segmentation
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Solution Overview
Problem
Existing safe systems are vulnerable to physical and electronic breaches, and current integration methods for multiple cash depositories are costly and complicated, leading to security compromises when access rights are shared or software is hacked, with inadequate accountability for cash handling.
Innovation Solution
A system that allows safe opening via electronic locks or remote access control systems, providing data audits of openings and closings with user, time, and date recordings, and includes a bypass mechanism to prevent unauthorized access, using an access control relay to power the safe lock's actuator and integrating with CCTV for enhanced security and accountability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple safes are integrated into a networked system with shared access rights, then cash management capability is improved, but system security is compromised when access codes are shared or software is hacked
Solution Approach 1:
The patent divides the safe into two independent parts: a networked electronic cash management system and a standalone audit lock system. The audit lock maintains independent security with its own code and hardware, separate from the main safe's networked system. This segmentation ensures that even if the networked system is compromised, the audit trail remains secure and intact.
Solution Approach 2:
The audit lock acts as an intermediary that records all access events independently. It receives and logs access information from the main safe system but maintains its own secure code and storage. This intermediary layer provides an additional security barrier that protects the audit trail from being compromised along with the main system.
2Productivity
If a master safe controls a network of safes with shared access codes, then operational efficiency is improved, but vulnerability increases when key employee resignation or code compromise occurs
Solution Approach 1:
The audit lock is segmented as a separate security layer with independent code management. Each safe in the network can have its own audit lock with unique codes, separating the audit security from the operational access codes. This allows efficient networked operation while maintaining independent security that isn't compromised by employee turnover or code sharing.
Solution Approach 2:
Each safe or location can have its own customized audit lock with location-specific codes and settings. This local quality approach allows different security parameters at different locations while maintaining overall network efficiency, and ensures that a compromise at one location doesn't affect other locations' security.
3Adaptability or versatility
If resident software is installed on each safe for local control, then autonomy is improved, but system compromise risk increases through physical break-in to access software
Solution Approach 1:
The critical security function (audit logging) is extracted from the main safe's resident software and placed in a separate, hardened audit lock device. This extraction removes the vulnerability of having all security functions in software that can be accessed through physical break-ins, while the main safe retains its local control autonomy for operational functions.
Solution Approach 2:
The audit lock provides beforehand cushioning by maintaining a secure, independent record of all access events. Even if the main safe's software is compromised through physical break-in, the pre-established independent audit trail remains protected and can provide evidence of actual authorized versus unauthorized access.
4Device complexity
If traditional manual accounting is used for cash tracking, then system simplicity is maintained, but security gaps and accountability issues arise
Solution Approach 1:
The audit lock provides self-service automated tracking of all safe access events. It automatically logs user identification, timestamps, and access status without requiring manual intervention. This automated self-service approach maintains simplicity by requiring minimal user action while dramatically improving accountability through comprehensive, tamper-resistant record-keeping.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enhances security and accountability by allowing remote monitoring and reporting of safe access, reducing internal theft risks and providing redundant audit records for asset recovery, while maintaining secure operation with redundant power sources.
Implementation Method 1
An access control relay powers the safe lock's internal actuator, bypassing the safe lock's logic decoding
Implementation Method 2
A diode may prevent feedback to lock's logic circuits
Data Source
AI summary
The disclosed system and method allows opening of a safe by either the safe's electronic lock, and/or by any on-site or remote access control systems. The system and method provides a data audit of all safe opening and closing, with user, time and date recordings, allows for exceptions reporting of any safe openings with a keyed bypass, and utilizes a variety of electronic high security safe locks and audit locks. An access control relay powers the safe lock's internal actuator, bypassing the safe lock's logic decoding, allowing the safe to be opened. A diode may prevent feedback to lock's logic circuits.