Dynamic Message Verification for Trusted Sender Authentication
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Solution Overview
Problem
Existing electronic messaging systems often quarantine or modify messages from untrusted sources, which can disrupt communication flow and user experience, especially when trusted entities need to communicate without modifications.
Innovation Solution
Implementing a Dynamic Messaging Authentication System (DMAS) that dynamically authenticates and authorizes message sources, allowing trusted entities to send messages without modification, while untrusted sources are modified as needed, using authentication credentials and sender attributes for granular control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If messages from external sources are modified or quarantined for security, then security is improved, but communication efficiency and user experience deteriorate
Solution Approach 1:
The system segments message sources into trusted and untrusted categories based on authentication credentials. Messages from trusted sources are processed differently (allowed through without modification) compared to messages from untrusted sources (subject to modification or quarantine), resolving the contradiction by applying different security measures to different message segments
Solution Approach 2:
The system performs preliminary authentication of message sources before messages are transmitted. By verifying authentication credentials in advance and establishing trust relationships, the system can allow messages from pre-authenticated trusted sources to pass through without modification, while still maintaining security against untrusted sources
2Reliability
If all external messages are modified to ensure security, then security is improved, but user experience and communication flow deteriorate
Solution Approach 1:
The system applies different quality treatments to different messages based on their source trustworthiness. Messages from trusted sources maintain their original quality (no modification), while messages from untrusted sources undergo security modifications. This local differentiation resolves the contradiction by applying security measures only where necessary
3Reliability
If authentication verification is performed for all messages, then security is improved, but system complexity and processing time increase
Solution Approach 1:
The system implements a universal authentication framework that can handle both internal and external messages through a common trust verification mechanism. The same authentication infrastructure serves multiple purposes: verifying internal messages, verifying external messages, and establishing trust relationships, thereby reducing overall system complexity despite comprehensive verification
Data Source
AI summary
A system described herein may receive a message that includes a set of authentication credentials and first message content. The system may determine whether the authentication credentials are valid. When determining that the authentication credentials are not valid, the system may generate second message content by modifying the first message content, and output the message with the modified message content in lieu of the first message content. When determining that the authentication credentials are valid, the system may output the message with the first message content without modifying the first message content. Verifying the credentials may be performed based on attributes of a sender of the message, such as based on determining that a domain of the sender does not match a domain of a recipient of the message.