Blockchain Biometric Threat Intelligence Sharing
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Solution Overview
Problem
Current biometric security systems are limited in their ability to effectively manage and respond to biometric attacks across multiple organizations, as they are typically managed locally and lack a decentralized mechanism for early detection and sharing of suspicious incidents, making them vulnerable to interrelated adversarial threats.
Innovation Solution
A blockchain network is implemented to facilitate the detection, reporting, and mitigation of biometric authentication incidents through the submission of public and private data reports, root cause analysis, and mitigation steps, ensuring immutability and anonymity to prevent manipulation by adversaries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If biometric security attacks are managed locally within an organization, then the organization can maintain control and privacy of its data, but the ability to respond effectively to biometric attacks across multiple organizations is limited
Solution Approach 1:
The patent segments biometric threat intelligence into two distinct types: public data (observable attack characteristics) and private data (sensitive internal information). This segmentation allows organizations to share public data across the blockchain network for collective defense while keeping private data localized, thus resolving the contradiction between cross-organization response effectiveness and organizational control/privacy
Solution Approach 2:
The blockchain network acts as an intermediary layer that enables secure sharing of public biometric threat data across multiple organizations without requiring direct access to private data. The smart contracts on the blockchain mediate the sharing process, allowing organizations to benefit from collective intelligence while maintaining data sovereignty, thus improving cross-organization response effectiveness without sacrificing organizational control
2Reliability
If biometric security incidents are shared across multiple organizations, then early detection and response to interrelated adversarial threats is improved, but the complexity of managing distributed security intelligence increases
Solution Approach 1:
The blockchain network provides universal functionality for storing, sharing, and analyzing biometric threat intelligence across multiple organizations. The same blockchain infrastructure handles diverse data types (public and private data, attack patterns, mitigation strategies) and serves all participating organizations uniformly, reducing the complexity that would otherwise arise from implementing separate systems for each organization
Solution Approach 2:
The system implements feedback mechanisms where organizations can submit observations about attack patterns and receive automated alerts when new attacks matching known patterns are detected. This feedback loop, mediated through smart contracts, enables early detection of interrelated threats while automating the management of distributed security intelligence, reducing the manual complexity of coordination
3Loss of information
If detailed biometric incident data is shared across the network, then comprehensive threat analysis is improved, but the risk of data manipulation by adversaries increases
Solution Approach 1:
The patent applies preliminary action by hashing biometric incident data before it is stored on the blockchain. The original data is transformed into cryptographic hashes that preserve the integrity and completeness of threat intelligence while making the data immutable and resistant to manipulation. This preliminary transformation prevents adversaries from altering stored data, as any modification would change the hash values and be immediately detectable
Solution Approach 2:
The patent converts the potential harm of data manipulation into a benefit by using cryptographic hashing. The hashing process transforms detailed biometric incident data into a format that is both comprehensive for threat analysis and inherently protected against manipulation. The hash values serve as immutable fingerprints of the original data, allowing complete threat intelligence to be shared while the cryptographic structure prevents undetected alterations
Data Source
AI summary
An example operation may include one or more of detecting a suspected biometric authentication incident, submitting a first blockchain transaction including a first report to a blockchain network, submitting a second blockchain transaction including a second report to the blockchain network, and taking an action, by one or more blockchain nodes, in response to determining one or more of the first and second reports are relevant to the one or more blockchain nodes. The first report includes public and private data corresponding to the suspected biometric authentication incident, and the second report includes one or more of a root cause and mitigation steps for the incident.