Deceptive Domain Name Detection via Identifier Translation
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Solution Overview
Problem
The existing methods to prevent deceptive domain name attacks, such as buying similar domain names or using SSL certificates, become ineffective with the expansion of international characters and character sets, making it difficult to distinguish between legitimate and illegitimate domain names, especially when characters outside of US/Western Europe sets are used.
Innovation Solution
A system and method that translates target domain names into identifiers and compares them to a domain name table to detect deceptively similar domain names, using similarity codes for characters and frequency information to prevent users from accessing unknown or unwanted websites.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a company buys all deceptively similar domain names to protect its own domain name, then the protection effectiveness is improved, but the cost and complexity increase significantly due to the expansion of international characters and character sets
Solution Approach 1:
The patent introduces an intermediary system consisting of a deceptive domain name detection service and a web browser plugin. This intermediary layer automatically detects deceptive domain names by translating them into identifiers and comparing against a domain name table, eliminating the need for companies to manually monitor and purchase every possible similar domain name while maintaining effective protection
Solution Approach 2:
The system enables self-service protection by automatically detecting and warning users about deceptive domain names through the browser plugin. The detection service operates autonomously, translating domain names into identifiers and comparing them against stored legitimate domain names without requiring manual intervention from the company or user
2Reliability
If SSL certificates are used to verify web site authenticity, then security is improved, but the system becomes ineffective when domain names use international characters outside US/Western Europe character sets
Solution Approach 1:
The patent changes the fundamental parameter for domain name comparison from character-by-character string matching to identifier-based matching. By translating domain names into identifiers that capture their essential characteristics and comparing these identifiers against a domain name table, the system can accurately distinguish legitimate from deceptive domain names regardless of the character set used, maintaining security while adapting to international characters
3Reliability
If domain name restrictions based on national business databases are implemented, then deceptive domain name registration is prevented, but the system complexity and operational burden increase
Solution Approach 1:
The patent introduces an intermediary detection service that operates independently of the domain name registration system. This service translates domain names into identifiers and compares them against a domain name table to detect deception, providing a separate layer of protection that does not increase registration system complexity while maintaining registration integrity
Data Source
AI summary
A system including a client configured to obtain a target domain name and an Internet service configured to translate the target domain name into a target identifier and compare the target identifier to a domain name table to obtain a similarity list.