Forged Authentication Object Detection via Hash Validation
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Solution Overview
Problem
Current single-sign-on protocols like SAML, Kerberos, and OAuth2 are vulnerable to forged authentication object attacks, allowing attackers to masquerade as legitimate users and access sensitive systems undetected, leading to potential security breaches.
Innovation Solution
A system and method for detecting and mitigating forged authentication object attacks by using an external validation service that tracks cryptographic hashes of legitimate authentication objects and compares incoming requests against a database, employing event-condition-action rules and machine learning models to identify and respond to suspicious activity, including dynamic authentication revocation and alerting mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional stateless SSO technology is used, then user-friendly single-sign-on experience is provided across federated services, but security vulnerability to forged authentication objects is created
Solution Approach 1:
The patent introduces an intermediary validation service that sits between the authentication system and federated services. This service validates authentication objects by checking cryptographic hashes against a database of legitimate hashes, acting as a mediator that maintains both the convenience of SSO and the security needed to prevent forged authentication objects
Solution Approach 2:
The system performs preliminary validation of authentication objects by computing cryptographic hashes and comparing them against a database of known legitimate hashes before allowing access to federated services. This preliminary check prevents forged authentication objects from succeeding while maintaining seamless SSO operation
2Reliability
If cryptographic hash validation is implemented, then forged authentication objects are detected, but system complexity increases
Solution Approach 1:
The patent creates a simplified copy of the authentication verification process by computing cryptographic hashes of authentication objects and comparing them against a database of pre-stored legitimate hashes. This copying approach simplifies the validation logic while maintaining strong security guarantees
Solution Approach 2:
The validation service performs self-service by automatically computing cryptographic hashes and comparing them against the database without requiring manual intervention. The system autonomously detects forged authentication objects and triggers appropriate responses, reducing operational complexity
3Measurement precision
If continuous monitoring and validation is performed, then attack detection capability is improved, but processing time and resource consumption increase
Solution Approach 1:
The patent replaces complex mechanical security verification processes with cryptographic hash computation and comparison. This substitution enables rapid validation of authentication objects while maintaining high detection precision, as cryptographic operations can be performed efficiently with minimal processing time
Solution Approach 2:
The system implements periodic validation by checking cryptographic hashes at regular intervals and continuously monitoring authentication objects. This periodic approach maintains high detection capability while managing processing time through efficient batching and caching of hash comparisons
Data Source
AI summary
A system for detecting and mitigating forged authentication attacks is provided, comprising an authentication inspector configured to observe a new authentication object generated by an identity provider, and retrieve the new authentication object; and a hashing engine configured to retrieve the new authentication object from the authentication object inspector, calculate a cryptographic hash for the new authentication object, and store the cryptographic hash for the new authentication object in a data store; wherein subsequent access requests accompanied by authentication objects are validated by comparing hashes for each authentication object to previous generated hashes.