Zero-Trust Resource Trust Scoring for Dynamic Access Validation
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Solution Overview
Problem
Existing zero-trust computing environments lack effective mechanisms for dynamically adjusting access controls based on real-time trust assessments, leading to potential security vulnerabilities.
Innovation Solution
Implement a trust scoring framework that evaluates access requests by considering various factors such as user identity, device location, network context, and policy compliance, adjusting trust scores accordingly to enhance security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional access control mechanisms are used in zero-trust environments, then implementation simplicity is maintained, but security reliability is insufficient due to lack of dynamic trust assessment
Solution Approach 1:
The patent implements dynamic access control by continuously evaluating trust scores for resources based on multiple factors including user behavior, device state, network context, and policy compliance. Trust scores are updated in real-time rather than using static access controls, allowing the system to adapt to changing security conditions while maintaining comprehensive monitoring and assessment capabilities.
2Reliability
If continuous validation of all access requests is implemented, then security reliability is improved, but processing time increases
Solution Approach 1:
The system changes the parameter of trust assessment from binary (authorized/not authorized) to a continuous trust score spectrum. Multiple parameters are evaluated simultaneously including user identity, device location, network conditions, policy compliance, and historical behavior. This allows for more nuanced and efficient decision-making that balances security validation with processing speed by assigning weighted scores to different factors.
3Measurement precision
If multiple policy factors are evaluated for each access request, then measurement precision of trust assessment is improved, but computational complexity increases
Solution Approach 1:
The patent creates a universal trust scoring framework that can evaluate multiple different policy factors through a single integrated system. The same trust scoring mechanism handles diverse inputs including user authentication, device compliance checks, network security assessment, and policy violation detection. This multi-functional approach maintains measurement precision across different evaluation dimensions while avoiding the need for separate complex evaluation systems for each factor.
Data Source
AI summary
Systems and methods provide controlled access to resources in a zero-trust computing environment. Requests for access to resources of the zero-trust environment are tracked, including identifying policies evaluated in response to requests for access to resources. Based on the tracked requests, policies are identified that were satisfied in granting access to resources and that were not satisfied in denying access to resources. Request for access to resources are evaluated based on a trust score for a resource that is calculated based on users requesting access to the resource, hardware requesting access to the resource, software applications requesting access to the resource, networks used to request access to the resource and data exposed by providing the requested access to the resource. The trust score for the resource is adjusted upwards based on the policies satisfied in granting requested access, and adjusted downwards based on policies not satisfied in denying requested access.


