Role-Based BIOS Access Control via Attribute Segmentation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional methods for managing BIOS attributes in information handling systems are complex and restrictive, requiring IT administrators to implement elaborate policies, rendering end users dependent on them for even minor configuration changes, and lacking correlation with desired policy objectives.
Innovation Solution
A 3-step process is introduced to define roles and create immutable relationships between user roles and BIOS attributes, enabling secure provisioning and access based on these roles, allowing end users and OEM applications to modify less impactful settings while restricting access to secure settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If admin password requirement is enforced to prevent non-admin users from modifying BIOS settings, then security is improved, but IT administrators face disruptive burden and end users become dependent on administrators for even minor configuration changes
Solution Approach 1:
The patent segments BIOS settings into multiple categories with different security requirements. A role-based access control model divides settings into those requiring administrator privileges and those accessible to standard users, allowing granular control rather than a blanket admin password requirement. This enables end users to independently modify non-critical settings while security-sensitive settings remain protected.
Solution Approach 2:
Different security policies are applied to different BIOS settings based on their sensitivity and impact. Critical settings maintain strong admin password protection, while less sensitive settings allow user-level access. This localized quality approach ensures security where needed while enabling user independence for routine configurations.
2Reliability
If elaborate and complex set of policies based on department level restrictions is implemented, then security coverage is improved, but device complexity and administrative overhead increase
Solution Approach 1:
The patent implements a universal role-based access control framework that can serve multiple departments and security requirements through a single system. Pre-defined roles (Administrator, User, Guest) provide multi-functionality, allowing the same mechanism to enforce different departmental policies without creating separate complex policy structures for each department.
Solution Approach 2:
The system changes the parameter of access control from department-specific complex policies to role-based permissions. By transforming the control mechanism into a parameter-driven approach where roles define access levels, the system reduces policy complexity while maintaining comprehensive security coverage across different departments and settings.
3Adaptability or versatility
If custom BIOS is required to implement desired access controls, then access control capability is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The patent introduces dynamic access control through role-based permissions that can be configured without requiring custom BIOS development. The system dynamically adjusts access rights based on user roles and setting categories, providing adaptability through software configuration rather than hardware customization, thereby reducing manufacturing complexity.
4Adaptability or versatility
If all capabilities and settings are exposed to users, then user flexibility is improved, but security risk increases
Solution Approach 1:
The patent applies local quality by differentiating access rights for different BIOS settings. Non-critical settings are made accessible to users for flexibility, while security-sensitive settings remain restricted. This localized differentiation achieves user flexibility where safe and maintains security where needed, resolving the contradiction between exposure and risk.
Data Source
AI summary
Disclosed methods for enabling flexible policies for user access to BIOS attribute settings perform operations including creating a BIOS attribute map encompassing one or more configurable BIOS attributes, generating a role-based authorization table associating an authorization role to each of the configurable BIOS attributes, and deploying the role-based authorization table to an information handling system. Responsive to a user launching a BIOS attribute configuration tool, a user role associated with the user is detected and the role-based authorization table is retrieved. Based on the role-based authorization table and the user role, configurable BIOS attributes for the user are identified. The configurable BIOS attributes may then be presented to the BIOS configuration to enable the user to perform configuration operations for the configurable BIOS attributes.