ENUM Security Gateway with Fictitious Contact Data
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Solution Overview
Problem
The ENUM system is vulnerable to security threats such as spamming, identity theft, and hijacking due to its reliance on uncontrolled DNS infrastructure, which exposes user information and routing data, leading to potential misuse and loss of business for operators and security concerns for customers.
Innovation Solution
Implementing a security policy management platform that generates fictitious contact information associated with telephone numbers, stored in ENUM databases, and conditions the resolution of this information based on predetermined security rules, ensuring only authorized requests access the true user contact details.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If ENUM uses uncontrolled DNS infrastructure to store and resolve telephone number mapping, then ease of operation and service accessibility are improved, but security vulnerabilities increase allowing spamming, identity theft, and hijacking
Solution Approach 1:
The patent introduces a security gateway as an intermediary component between the DNS infrastructure and ENUM database. This gateway acts as a mediator that filters and validates all queries and updates, blocking malicious traffic while allowing legitimate operations. The security gateway implements authentication mechanisms and maintains allow/deny lists to prevent spamming, identity theft, and hijacking attacks without compromising the ease of operation of the ENUM system.
Solution Approach 2:
The patent implements preliminary security measures by pre-configuring security policies, authentication credentials, and access control lists before ENUM operations begin. The system performs preliminary validation of user identities and query legitimacy before allowing access to ENUM database. This preliminary action ensures that security checks are already in place when requests arrive, preventing malicious activities while maintaining smooth operation for authorized users.
2Loss of information
If ENUM stores user contact information in DNS databases, then information accessibility is improved, but user privacy and security are compromised due to exposure to unauthorized access
Solution Approach 1:
The patent applies local quality by implementing different access control levels for different types of information and different user categories. Not all ENUM information is treated uniformly - the system applies specific privacy policies and access restrictions to sensitive user contact information while allowing broader access to public routing data. This localized differentiation protects user privacy while maintaining information accessibility where appropriate.
Solution Approach 2:
The patent segments ENUM information into different categories with different access permissions. User contact information is separated from routing information, and further segmented into public and private subsets. The DNS database structure is divided into zones with different security policies, allowing selective disclosure of information based on user consent and query legitimacy, thereby protecting privacy while maintaining necessary accessibility.
3Adaptability or versatility
If ENUM allows open resolution of contact information, then service versatility is improved, but susceptibility to misuse and spamming increases
Solution Approach 1:
The patent implements dynamic access control that adapts to the nature of each query and user. The security gateway dynamically evaluates incoming requests against multiple criteria including user authentication status, query patterns, and real-time threat intelligence. Access permissions are not static but adjust based on the specific context of each interaction, allowing versatile legitimate services while dynamically blocking spamming and misuse attempts.
Solution Approach 2:
The patent incorporates feedback mechanisms where the security gateway continuously monitors ENUM query patterns and user behavior. When abnormal patterns indicative of spamming or misuse are detected, the system automatically adjusts access controls and blocks suspicious sources. This feedback loop maintains service versatility for legitimate users while actively preventing and responding to harmful activities in real-time.
Data Source
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AI summary
A method of providing telecommunication services, comprising: generating a fictitious contact information univocally associated with a telephone number assigned to a subscriber; storing the fictitious contact information in a database, like an ENUM database; responsive to a request, received from a requester, of a contact information corresponding to the telephone number and adapted to allow contacting over the Internet the subscriber assignee of the telephone number, having the database providing said fictitious contact information; conditioning a resolution of the fictitious contact information for the provisioning of the contact information to the satisfaction of at least one security rule adapted to assess properties of at least one among the requester and the request, and in case the request from the requester satisfies the at least one security rule, resolving the fictitious contact information and providing to the requester the contact information.