Continuous Zero-Trust Platform Trust Score Access Control
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Solution Overview
Problem
Traditional perimeter-based security approaches are inadequate for protecting sensitive corporate data in dynamic, geographically distributed environments with diverse users and devices, leading to access breaches and role proliferation issues.
Innovation Solution
A continuous zero-trust platform that computes a real-time trust score for users, devices, and applications based on multiple factors from sensors and security tools, enabling differentiated access decisions and reducing the burden on security teams.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional perimeter-based security approaches are used, then security coverage is maintained for fixed locations, but security effectiveness deteriorates in dynamic distributed environments
Solution Approach 1:
The patent transitions from static perimeter-based security to dynamic continuous authentication that adapts to changing user behavior, device states, and environmental factors in real-time, making security effective in distributed environments
Solution Approach 2:
The system changes security parameters dynamically by computing trust scores based on multiple varying factors including device sensors, user behavior patterns, and contextual information, adjusting access decisions based on current security posture
2Ease of operation
If access control policies are simplified, then ease of operation improves, but security precision deteriorates
Solution Approach 1:
The patent creates a universal trust score framework that works across multiple contexts and resource types, allowing simplified policy writing while maintaining precision through contextual trust assessments rather than complex role-based rules
3Reliability
If continuous authentication is implemented, then security monitoring is improved, but system complexity increases
Solution Approach 1:
The patent merges multiple security signals and sensor data into a single trust score computation, simplifying the system architecture while maintaining comprehensive monitoring through integrated analysis rather than separate control mechanisms
4Speed
If trust scores are computed in real-time, then access control responsiveness is improved, but computational overhead increases
Solution Approach 1:
The system computes trust scores continuously but applies selective monitoring and caching strategies, performing full computations only when necessary while maintaining responsiveness through partial updates and incremental assessments
Data Source
AI summary
A system and method are disclosed for making real-time access control decisions based on a trust score computed from multiple factors across users, devices, applications, and infrastructure. The trust score is used to provide differentiated and least privileged access to sensitive corporate data, thereby improving security posture and reducing the risk of data breaches. The system exposes the trust score to users, enabling them to check their and their device's security posture and improve it on their own. Additionally, the system provides an intuitive interface for security administrators to write policies based on the trust score, eliminating the need for role proliferation and simplifying access control management.