IoT Trustworthiness Certification Proof for Real-Time Security Assessment
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Solution Overview
Problem
Existing IoT devices lack effective cybersecurity measures, leading to vulnerabilities that make them targets for cyberattacks, and current certification and attestation methods are inadequate for ensuring device trustworthiness, especially for low-medium end devices.
Innovation Solution
A system and method for IoT Trustworthiness as a Service (TaaS) that provides real-time assessment of IoT device trustworthiness through an automated request-response procedure involving an IoT certification system and network entities, using digital IoT certification proofs signed by certification bodies, and integrating information from device management and third-party services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If IoT devices are manufactured without security considerations to reduce manufacturing complexity and cost, then device complexity and manufacturing cost are reduced, but cybersecurity vulnerability increases making devices targets for attacks
Solution Approach 1:
The patent implements preliminary security actions by embedding security mechanisms during the manufacturing process rather than adding them later. The system performs pre-deployment security assessments, provisions security credentials, and establishes trust relationships before devices are deployed to the field, preventing security vulnerabilities from being introduced after manufacturing.
Solution Approach 2:
The patent introduces an intermediary certification system that acts as a trusted third party between device manufacturers and network operators. This intermediary verifies device security compliance, issues digital certificates, and maintains a reputation database, thereby bridging the trust gap without requiring complex security implementations in every device.
2Reliability
If traditional certification methods are used for IoT devices, then security verification is performed, but real-time trustworthiness assessment is not available for deployed devices
Solution Approach 1:
The patent implements continuous feedback mechanisms where deployed devices periodically report their security status, software versions, and operational characteristics to the certification system. The system updates device reputation scores in real-time based on this feedback, enabling dynamic trustworthiness assessment rather than static pre-deployment certification only.
Solution Approach 2:
The system performs preliminary security verification during manufacturing and certification, then maintains this verification through continuous monitoring and periodic reassessment. This layered approach ensures that initial security measures are sustained over the device lifecycle, with automated alerts when devices deviate from approved configurations.
3Object-affected harmful factors
If security mechanisms are added to IoT devices after deployment to improve cybersecurity, then trustworthiness is enhanced, but device complexity and operational overhead increase
Solution Approach 1:
The patent shifts security functionality from the device itself to an external certification system that acts as an intermediary. The system performs security verification, software validation, and trust assessment remotely, requiring minimal security mechanisms within the devices themselves. This reduces device complexity while maintaining strong security through centralized verification.
Solution Approach 2:
The patent enables devices to self-attest their security compliance by providing their software images, configuration data, and operational status to the certification system for verification. Devices automatically receive security updates and reputation scores without requiring complex local security management, reducing operational overhead while maintaining security.
4Reliability
If comprehensive security verification is performed on all IoT devices to ensure trustworthiness, then security reliability is improved, but assessment time and resource requirements increase
Solution Approach 1:
The patent applies different verification depths to different devices based on their risk profiles, criticality, and historical behavior. High-value or suspicious devices undergo comprehensive security verification, while trusted devices with clean records receive streamlined assessment. This differentiated approach maintains security reliability for critical devices while improving overall assessment efficiency through selective verification.
Solution Approach 2:
The patent performs basic security verification on all devices as a minimum threshold, then applies additional verification only when necessary based on risk indicators. This partial action approach ensures that essential security checks are performed universally while avoiding the excessive resource consumption of comprehensive verification on every device, thereby balancing reliability and productivity.
Data Source
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AI summary
There are provided methods and corresponding systems for supporting Internet of Things (IoT) Trustworthiness as a Service (TaaS) related to an IoT device. The IoT device being arranged for connection to the Internet via a wired or wireless communication system. A method is based on an automated request-response procedure performed by a network entity acting as TaaS consumer, TaaS receiver or TaaS proxy to obtain a digital IoT certification proof representative of the trustworthiness of the IoT device from an IoT certification system acting as TaaS provider. The automated request-response procedure comprises requesting (S1) the digital IoT certification proof from the TaaS provider based on an identifier for locating the digital IoT certification proof for the IoT device, and receiving (S2) a response comprising the digital IoT certification proof from the TaaS provider to enable management and/or assessment of the trustworthiness of the IoT device.