Endpoint Reimaging Using Vaulted Root Credentials
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Solution Overview
Problem
Existing endpoint devices face challenges in securely managing credentials and ensuring immutability, particularly in scenarios where administrative privileges are granted, as root passwords can be misused or compromised, leading to potential security breaches and system vulnerabilities.
Innovation Solution
A system is implemented that generates a random root credential at build time, vaults it in a secure store, and controls access through a centralized management tool, ensuring that the credential is only accessed under controlled scenarios, and triggers automatic reimaging upon privileged access to reduce malicious use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If root passwords are made accessible to administrators for device management, then ease of operation is improved, but security is worsened due to potential credential misuse or compromise
Solution Approach 1:
The patent extracts the root credential from the traditional accessible location and places it in a secure vault that is not directly accessible to users or administrators. The credential is separated from the operating system and stored in a dedicated secure store, eliminating the risk of direct exposure while maintaining the ability to access it through controlled mechanisms.
Solution Approach 2:
The patent introduces a secure vault as an intermediary between the root credential and any potential users. This vault acts as a mediator that controls access to the credential through controlled scenarios, allowing authorized access while preventing unauthorized access. The vault intermediates the relationship between administrators and the credential, adding a layer of security.
2Adaptability or versatility
If the operating system allows modifications and updates, then adaptability is improved, but system integrity is worsened due to potential corruption or malicious changes
Solution Approach 1:
The patent implements preliminary action by automatically reimaging the endpoint device after privileged access is granted. This preliminary reimaging action is prepared in advance and executed automatically to restore system integrity before any potential malicious changes can occur. The system proactively restores the known good state rather than reacting to detected changes.
Solution Approach 2:
The patent establishes a feedback mechanism where the system monitors for privileged access events and automatically triggers reimaging in response. This feedback loop ensures that whenever administrative access is granted, the system automatically restores to a secure state, creating a continuous cycle of protection that maintains integrity while allowing necessary updates.
3Reliability
If manual reimaging is performed after security incidents, then system integrity is improved, but loss of time increases due to manual intervention requirements
Solution Approach 1:
The patent implements self-service by enabling the endpoint device to automatically perform reimaging without manual intervention. The device monitors its own state, detects when privileged access is granted, and autonomously triggers the reimaging process. This eliminates the need for administrator intervention and significantly reduces the time required to restore system integrity.
Solution Approach 2:
The patent ensures continuity of useful action by making the reimaging process automatic and continuous rather than periodic or manual. The system continuously monitors for security events and continuously maintains the ability to restore integrity through automated reimaging, eliminating gaps in protection and reducing overall response time.
Data Source
AI summary
In some implementations, a system for securely and automatically provisioning endpoint devices includes an administrative API that generates a token, an OS image repository that stores and makes available over a network an image of an operating system (“OS”) that includes the token, a central endpoint manager that provides the OS, a secure credential repository that securely maintain credentials, and an endpoint device. The endpoint device includes a current OS image and read-only boot code. The read-only boot code obtains and installs a new OS image from the OS image repository, generates a new password and a new fingerprint for the new OS image, and transmits new OS installation data for the endpoint device to the administrative API. The administrative API validates the new OS installation data and performs a write-only operation to store the new password in the secure credential repository.