Progressive Authentication System Using Multi-Modal Biometrics
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Solution Overview
Problem
Existing electronic devices face challenges in providing secure and user-friendly access to private data while ensuring only authorized users can access sensitive information, as current authentication methods may be vulnerable to spoofing and do not adapt effectively to varying user interactions.
Innovation Solution
The system employs a multi-factor authentication approach using two-dimensional images, three-dimensional depth scans, thermal measurements, and additional authentication factors like facial features and contextual changes to gradually grant operational access, incorporating sensors like imagers, depth scanners, and thermal sensors to verify the user's identity through a combination of visual, thermal, and behavioral cues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional authentication methods are used, then user access is simple and quick, but security against spoofing is insufficient
Solution Approach 1:
The authentication process is segmented into multiple independent verification stages: initial authentication with basic credentials, followed by progressive authentication factors (facial recognition, behavioral analysis, contextual verification). Each segment adds a layer of security without requiring the user to complete all factors upfront, thus maintaining ease of operation while improving security.
Solution Approach 2:
The authentication system dynamically adapts the number and type of authentication factors required based on the user's interaction patterns, device context, and risk assessment. The system transitions from static authentication to dynamic multi-factor authentication, adjusting security levels in real-time based on behavioral cues and environmental factors.
2Reliability
If multiple authentication factors are required, then security is improved, but authentication time and complexity increase
Solution Approach 1:
The system performs preliminary authentication using quickly-verifiable factors first (such as device recognition, facial scan, or simple biometric verification) to establish baseline security. Subsequent authentication factors are only activated if the preliminary check passes or if suspicious activity is detected, reducing average authentication time while maintaining security.
Solution Approach 2:
The system changes the parameters of authentication requirements based on the situation - using fewer factors for low-risk contexts and more factors for high-risk contexts. The authentication depth and complexity are adjusted as parameters based on behavioral analysis, device trust level, and transaction sensitivity, optimizing the balance between security and speed.
3Adaptability or versatility
If static authentication is used, then implementation is simple, but adaptability to varying user interactions is poor
Solution Approach 1:
The authentication system incorporates continuous feedback loops where user behavior, device context, and authentication outcomes are analyzed to adjust future authentication requirements. The system learns from interaction patterns and adapts its authentication demands dynamically, creating a versatile system that responds to varying user contexts without requiring complex manual configuration.
Solution Approach 2:
The authentication framework is designed to be universal and multi-functional, supporting multiple authentication factors (biometric, behavioral, contextual, device-based) that can be combined in various ways. This modular approach allows the same system to adapt to different user scenarios, devices, and security requirements without requiring separate authentication mechanisms for each case.
Data Source
AI summary
An electronic device and corresponding method includes capturing, with one or more sensors, at least one authentication input from a person in the environment of the electronic device. One or more processors of the electronic device can then compare the captured authentication input with one or more authentication references to determine whether the person is an authorized user of the electronic device. Where the person is, the one or more processors can grant limited operational access to the electronic device. Thereafter, when additional authentication inputs are captured and sufficiently match additional authentication references, additional operation access can be granted.