Gatekeeper System for Authenticating Mobile Traffic

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Solution Overview

Problem

Businesses face disruptions from malicious DDOS attacks that flood communication networks, preventing legitimate user access, and existing solutions fail to authenticate client device traffic effectively.

Innovation Solution

Implementing a gatekeeper system that provides and updates communication strategies for client devices, including encryption keys, to authenticate requests and prevent unauthorized access, allowing legitimate users to communicate while dynamically responding to potential attacks.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a gatekeeper system implements authentication strategies with encryption keys to authenticate client device traffic, then the ability to prevent DDOS attacks and ensure legitimate communication is improved, but the system complexity and overhead for validating requests increases

Engineering Contradiction:
Improveauthentication of network trafficVSAvoidgatekeeper system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The gatekeeper system performs preliminary authentication by validating communication strategies and encryption keys before traffic reaches the processing system. Requests are pre-screened against authentication criteria, including verification of encryption keys and strategy compliance, preventing unauthorized traffic from consuming system resources.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The gatekeeper acts as an intermediary component between client devices and the processing system. It mediates traffic by intercepting requests, validating them against authentication strategies, and forwarding only legitimate traffic to the processing system, thereby isolating the complexity of authentication from the core processing system.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If the gatekeeper system dynamically updates communication strategies and encryption keys, then the ability to respond to potential attacks is improved, but the frequency of strategy updates and validation overhead increases

Engineering Contradiction:
Improveresponse to potential attacksVSAvoidtime for strategy updates and validation
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The authentication strategy is designed to be dynamic, allowing the gatekeeper to update communication strategies and encryption keys in response to detected threats. The system can modify authentication parameters, update encryption keys, and adjust validation rules dynamically without requiring system reconfiguration or recompilation.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The gatekeeper system performs periodic validation of communication strategies and encryption keys at scheduled intervals and upon trigger events. This periodic action ensures that updates are applied systematically rather than continuously, balancing security responsiveness with system performance by validating strategies at optimized intervals.

Inventive Principle:
Principle #19Periodic action

3Measurement precision

If the system validates requests according to multiple strategies including prior and future strategies, then the precision of attack detection is improved, but the computational resources required for validation increase

Engineering Contradiction:
Improveattack detection precisionVSAvoidcomputational resources for validation
Core Design Contradiction:
Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The gatekeeper system validates requests against multiple strategies (prior, current, and future strategies) to enhance detection precision. By checking against excessive strategies beyond the current one, the system ensures thorough validation and prevents attacks that might exploit strategy transition windows, accepting the additional computational cost as necessary for high-security environments.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS11095630B1Authenticating mobile traffic
Publication Date: 2021.08.17 UNITED SERVICES AUTOMOBILE ASSOCIATION (USAA)
  • US11095630B1 patent drawing
  • US11095630B1 patent drawing
  • US11095630B1 patent drawing

AI summary

Methods, systems, and apparatus, including computer programs encoded on computer storage media, to authenticate mobile traffic. One of the methods includes receiving a first request for a strategy from a client device over a network. The method includes providing a current strategy to the client device, the current strategy including characteristics used to authenticate requests from the client device based on the inclusion of the characteristics in the request. The method includes receiving, from the client device, a second request for access to a processing system. The method includes validating the second request according to one or more strategies, including the current strategy. The method also includes forwarding the second request to the processing system based on the validation.