IoT Device Credential Monitoring and Security Assessment

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Solution Overview

Problem

Existing IoT device security systems fail to determine whether leaked passwords are easily compromised, leading to unauthorized access and inadequate protection.

Innovation Solution

A computer system that monitors IoT device login states, detects unauthorized access, learns frequently used IDs and passwords, and determines if stored credentials are easily released, then sets new, more secure IDs and passwords.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If password leakage countermeasures are implemented (locking device), then unauthorized access is prevented, but the ability to determine whether passwords are easily compromised is lost

Engineering Contradiction:

Improveunauthorized access preventionVSAvoidpassword security assessment capability

Core Design Contradiction:

ReliabilityVSLoss of information

Solution Approach 1:

The system performs preliminary learning of ID and password information before unauthorized access occurs. By monitoring and storing credential data in advance, the system can assess password strength and detect potential security vulnerabilities before they are exploited, enabling proactive security measures rather than reactive locking alone

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system establishes a feedback loop where login attempts and credential usage are continuously monitored, learned, and analyzed. This feedback mechanism provides ongoing assessment of password security and detects patterns indicating easy-to-compromise credentials, allowing dynamic adjustment of security measures based on actual usage patterns

Inventive Principle:

Principle #23Feedback

2Reliability

If monitoring and learning of credentials is performed, then password security is assessed, but system complexity increases

Engineering Contradiction:

Improvepassword security assessmentVSAvoidmonitoring and learning system complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The monitoring unit serves multiple functions: it detects login states, learns credential information, assesses password strength, and supports unauthorized access detection. By consolidating these functions into a single multi-functional monitoring system rather than separate specialized components, the patent reduces overall system complexity while maintaining comprehensive security assessment capabilities

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS10621332B2Computer system, IoT device monitoring method, and program

Publication Date: 2020.04.14 OPTIM

AI summary

A computer system, an IoT device monitoring method, and a program in which a security is improved are provided. A computer system for monitoring a connected IoT device 100 monitors a login state of the IoT device 100, detects an unauthorized access based on a result of the monitoring, learns any one or both of an ID or a password of the detected unauthorized access, and determines whether any one or both of an ID and a password held in advance by the IoT device 100 are easy to be released.