Threat Indicator Obfuscation for Secure Intelligence Distribution
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Solution Overview
Problem
Threat intelligence feeds are often misused by malicious actors and competitors, as they gain unauthorized access to filtered intelligence, compromising the security and investment of third-party providers.
Innovation Solution
A threat analytics system processes and filters threat indicators, providing obfuscated data to client-side monitoring systems, enabling threat detection while protecting sensitive information and source data through hashing, encryption, or password protection mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If threat intelligence feeds are provided to client systems for threat detection, then threat detection capability is improved, but the feeds become vulnerable to misuse by malicious actors and competitors
Solution Approach 1:
The patent introduces an obfuscation layer as an intermediary between the threat intelligence feed provider and client systems. This intermediary transforms the original threat indicators into obfuscated forms that preserve detection functionality while preventing misuse. The obfuscation mechanism acts as a mediator that allows legitimate threat detection while blocking unauthorized exploitation of the intelligence feeds.
Solution Approach 2:
The patent applies parameter changes by transforming the representation of threat indicators through obfuscation techniques. The original threat indicators are converted into obfuscated versions with modified parameters (such as hashed values or encoded formats) that maintain their functional properties for threat detection but alter their structure to prevent direct misuse or unauthorized analysis by malicious actors.
2Adaptability or versatility
If filtered intelligence feeds are made accessible to multiple clients, then detection coverage is improved, but access control and security protection become more difficult
Solution Approach 1:
The obfuscation mechanism serves as a universal intermediary that simplifies access control architecture. Instead of implementing complex individual authentication and authorization mechanisms for each client, the system applies a single obfuscation layer that automatically protects the intelligence feeds while allowing multiple clients to access and use the obfuscated indicators for threat detection.
3Object-affected harmful factors
If obfuscation mechanisms are applied to threat indicators, then protection from misuse is improved, but the complexity of the system increases
Solution Approach 1:
The patent creates obfuscated copies of the original threat indicators rather than modifying the original data. These copied and transformed indicators maintain the essential detection functionality while being protected from misuse. The copying approach allows the system to preserve the original intelligence feeds intact while working with protected versions for distribution to clients.
Data Source
AI summary
A threat analytics system expends significant resources to acquire, structure, and filter the threat indicators provided to the client-side monitoring systems. To protect the threat indicators from misuse, the threat analytics system only provides enough information about the threat indicators to the client-side systems to allow the client-side systems to detect past and ongoing threats. Specifically, the threat analytics system provides obfuscated threat indicators to the client-side monitoring systems. The obfuscated threat indicators enable the client-side systems to detect threats while protecting the threat indicators from misuse or malicious actors.