Context-Aware Security Controller for Cloud Authentication

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Solution Overview

Problem

Conventional cloud services face difficulties in applying fine-grained security policies based on context information such as user location, device, and time, and existing context-aware security technologies are vulnerable to attacks due to direct communication between user terminals and authentication servers.

Innovation Solution

An apparatus and system for context-aware security control in a cloud environment that includes an authentication header inspection unit and a packet data processing unit, which generate and compare authentication headers using HMAC, and perform data transmission, modulation, or discarding based on context information, installed at the cloud service network entrance to control data transmission between user terminals and cloud servers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If direct communication between user terminal and authentication server is used, then authentication process is simple, but security vulnerability increases due to exposed IP addresses and attack opportunities

Engineering Contradiction:
Improveauthentication process simplicityVSAvoidsecurity vulnerability
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent introduces a context-aware security controller as an intermediary component between the user terminal and authentication server. This controller intercepts and inspects authentication headers, performs context-aware security policies, and controls packet data transmission without requiring direct communication between the terminal and server, thereby hiding IP addresses and reducing attack surfaces while maintaining authentication functionality

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The authentication and security control functions are segmented into separate components: the user terminal generates authentication requests, the security controller inspects and validates authentication headers based on context information, and the authentication server processes verified requests. This segmentation allows the security controller to mediate communications without exposing the authentication server directly to user terminals

Inventive Principle:
Principle #1Segmentation

2Ease of manufacture

If simple IP blocking or data transmission deactivation is used, then implementation is easy, but fine-grained security control based on context information cannot be applied

Engineering Contradiction:
Improveimplementation simplicityVSAvoidfine-grained security control capability
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The security control system dynamically adjusts its behavior based on context information such as user location, device characteristics, and time. The context-aware security controller evaluates multiple context parameters and adaptively applies appropriate security policies, enabling fine-grained control that goes beyond static IP blocking while maintaining manageable complexity through automated decision-making

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If context-aware security control with authentication header inspection is implemented, then fine-grained security control is achieved, but system complexity increases due to additional inspection and processing units

Engineering Contradiction:
Improvefine-grained security control capabilityVSAvoidsystem structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The context-aware security controller is designed as a multi-functional component that performs authentication header generation, inspection, context information evaluation, and packet data control all within a single device. This consolidation reduces overall system complexity compared to having separate specialized components for each function, while still providing comprehensive fine-grained security control

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS9294463B2Apparatus, method and system for context-aware security control in cloud environment
Publication Date: 2016.03.22 ELECTRONICS & TELECOMM RES INST
  • US9294463B2 patent drawing
  • US9294463B2 patent drawing
  • US9294463B2 patent drawing

AI summary

An apparatus, method and system for context-aware security control in a cloud environment are provided. The apparatus includes an authentication header inspection unit and a packet data processing unit. The authentication header inspection unit generates an authentication header based on the received context information and key of a user, compares the generated authentication header with the authentication header of packet data received from a remote user terminal, and outputs the results of the comparison. The packet data processing unit performs one of the transmission, modulation and discarding of packet data from the cloud server of a cloud service network based on the results of the comparison by the authentication header inspection unit.