Dynamic Security Context Updates for IHS
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Solution Overview
Problem
Current information handling systems lack dynamic and continuous security measures, making them vulnerable to unauthorized access and data breaches, as security context is typically captured only at machine boot or user login and can be easily spoofed at the operating system level.
Innovation Solution
An information handling system with a secure platform that includes sensors generating security-related data and a controller to continuously monitor and enforce security policies, providing dynamic security context updates and performing security measures such as revoking access to encryption keys or disabling devices upon policy violations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If security context is captured only at machine boot or user login, then system simplicity is maintained, but security reliability deteriorates due to static security checks and vulnerability to spoofing
Solution Approach 1:
The patent transforms static security context captured at boot/login into dynamic security context that continuously updates during runtime. Sensors mounted on the chassis detect real-time security conditions (physical tampering, unauthorized access attempts) and feed this information to the security policy management engine, which dynamically evaluates security policies and updates security context without requiring system reboot or complex architectural changes.
Solution Approach 2:
The system implements self-service security monitoring through sensors that automatically detect security conditions and trigger policy evaluations. The security policy management engine autonomously assesses sensor data against stored security policies and determines whether security context updates are needed, eliminating the need for continuous manual security verification or complex external security infrastructure.
2Reliability
If continuous security monitoring is implemented, then security reliability improves through real-time detection, but device complexity increases due to additional sensors and processing requirements
Solution Approach 1:
The patent segments security monitoring into distinct functional components: sensors mounted on specific chassis locations detect specific security conditions, the security policy management engine handles policy evaluation and context updates, and the BIOS/security enforcement layer implements security measures. This segmentation allows each component to be optimized independently and simplifies the overall system architecture by assigning specific responsibilities to each segment.
Solution Approach 2:
The security policy management engine serves multiple functions: it stores security policies, evaluates sensor data against policies, determines security context updates, and communicates with the BIOS for enforcement. This multi-functionality reduces the need for separate dedicated components for each security operation, thereby reducing overall device complexity while maintaining continuous monitoring capabilities.
3Reliability
If security context is updated dynamically at runtime, then security reliability improves through continuous authentication, but processing time increases due to continuous monitoring and policy evaluation
Solution Approach 1:
The system implements periodic security context updates triggered by sensor events rather than continuous processing. Sensors detect security conditions and trigger policy evaluations only when relevant events occur (e.g., chassis opening, unauthorized access attempt). This event-driven periodic action maintains security reliability while minimizing processing time by avoiding constant evaluation during normal operation.
Solution Approach 2:
The security policy management engine implements feedback loops where sensor data is continuously fed into policy evaluation, which generates security context updates that are communicated back to the BIOS for enforcement. This feedback mechanism ensures real-time security responses while optimizing processing by only evaluating policies when sensor conditions change, rather than continuously processing all security parameters.
4Reliability
If multiple sensors are deployed for comprehensive security monitoring, then security reliability improves through multiple detection points, but device complexity and cost increase
Solution Approach 1:
The patent places sensors at specific local positions on the chassis where they can detect particular security conditions (e.g., chassis opening, panel removal). Each sensor is strategically positioned to monitor a specific security-relevant location, providing targeted detection rather than general monitoring. This local quality approach maximizes security reliability with minimal sensors by placing them where they provide maximum detection value.
Data Source
AI summary
An information handling system (IHS) includes a memory having a BIOS, at least one sensor that generates security related data for the IHS, a controller, and one or more I/O drivers. The memory, at least one sensor and controller operate within a secure environment of the IHS; the I/O driver(s) operate outside of the secure environment. The controller includes a security policy management engine, which is executable during runtime of the IHS to continuously monitor security related data generated by the at least one sensor, determine whether the security related data violates at least one security policy rule specified for the IHS, and provide a notification of security policy violation to the BIOS, if the security related data violates at least one security policy rule. The I/O driver(s) include a security enforcement engine, which is executable to receive the notification of security policy violation from the BIOS, and perform at least one security measure in response thereto.