Secure Secondary Router Validates IoT Device Identity

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Solution Overview

Problem

The identity and authorization of computing devices seeking to connect to IoT devices are easily compromised and subject to unauthorized access, with existing security measures often relying on inadequate username and password or two-factor authentication, hindering the proliferation of IoT devices and reducing their security advantages.

Innovation Solution

An external secure intelligent secondary router generates secure secondary Wi-Fi networks and intercepts connection requests, requiring computing devices to undergo validation through a client agent and online validation service, using unique hardware and software identifiers to ensure authorized access, thereby enhancing multi-factor authentication and preventing unauthorized access.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional username and password authentication is used, then ease of operation is improved, but security reliability deteriorates

Engineering Contradiction:
Improveauthentication processVSAvoidaccess security
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The authentication system is segmented into multiple independent verification layers: device identifier validation, MAC address verification, and online service validation. Each layer operates independently to provide comprehensive security without requiring complex user input, thus maintaining ease of operation while significantly improving security reliability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

An intermediary validation service is introduced between the router and the computing device. This service receives authentication requests, validates device identifiers against registered information, and returns validation results. The intermediary handles the complex security verification processes automatically, maintaining user-friendly operation while enhancing security through multiple validation mechanisms.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If multi-factor authentication with device validation is implemented, then security reliability is improved, but device complexity increases

Engineering Contradiction:
Improveaccess securityVSAvoidauthentication system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system performs self-service authentication by automatically collecting device identifiers, validating them against registered information, and making authorization decisions without requiring manual configuration or complex user setup. The router and validation service handle all security operations autonomously, improving reliability while keeping the system simple for end users.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The authentication system is designed to be universal and multi-functional, supporting multiple device types (smartphones, tablets, laptops) and multiple validation methods (device identifiers, MAC addresses, online validation) through a single unified framework. This approach enhances security reliability without increasing perceived complexity for users, as the system adapts to different devices automatically.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Measurement precision

If device identifiers are collected and validated, then measurement precision of device identity is improved, but loss of information increases

Engineering Contradiction:
Improvedevice identity validationVSAvoiddevice data privacy
Core Design Contradiction:
Measurement precisionVSLoss of information

Solution Approach 1:

The system extracts only the essential device identifiers (device ID, MAC address) needed for validation purposes, separating these from other sensitive device information. By taking out only the necessary identification data and validating it against registered information, the system achieves precise device identity verification while minimizing the collection and storage of unnecessary personal information, thus reducing information loss and privacy concerns.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS12120512B2Online validation service secures access to devices connected wirelessly to a secure secondary intelligent router module, which is connected via a wireless connection to a primary wired/wireless router/modem
Publication Date: 2024.10.15 STREUTER GARY WILLIAM
  • US12120512B2 patent drawing
  • US12120512B2 patent drawing
  • US12120512B2 patent drawing

AI summary

An external Secure Intelligent Secondary Router is connected to a Primary Wired/Wireless Router/Modem via wire cable, and whereby said external Secure Intelligent Secondary Router communicably coupled to said Primary Wired/Wireless Router/Modem creates one or more secure secondary Wi-Fi networks that can only be accessed by a computing device that has been registered by the rightful account owner and whose identity has been validated by an online validation service.