Digital Privacy Screen Masking SaaS Content

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Solution Overview

Problem

There are challenges in managing access to network resources and monitoring for potential misuse across diverse client devices, particularly in mobile and public settings, where sensitive information displayed on computing devices can be compromised by shoulder surfers or unauthorized access.

Innovation Solution

A digital privacy screen is integrated into a software-as-a-service (SaaS) container within a client application, using an embedded browser to selectively mask sensitive content based on predefined policies, allowing users to control the visibility of sensitive information through masking tools and reveal it incrementally or fully upon request.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If a polarized physical screen protector is used to mask sensitive information, then privacy protection is improved, but the entire display becomes dim and faded, degrading visual quality

Engineering Contradiction:
Improveprivacy protectionVSAvoiddisplay brightness
Core Design Contradiction:
Object-affected harmful factorsVSIllumination intensity

Solution Approach 1:

The patent applies local quality by implementing selective masking that targets only specific sensitive regions of the display rather than the entire screen. The system identifies sensitive content areas and applies privacy protection locally to those regions, leaving non-sensitive areas fully visible and bright, thus resolving the contradiction between privacy protection and display brightness.

Inventive Principle:
Principle #3Local quality

2Object-affected harmful factors

If all content on the display is masked to protect sensitive information, then privacy protection is improved, but access to necessary non-sensitive information is blocked

Engineering Contradiction:
Improveprivacy protectionVSAvoidaccess to information
Core Design Contradiction:
Object-affected harmful factorsVSLoss of information

Solution Approach 1:

The system implements local quality by differentiating between sensitive and non-sensitive content areas on the display. Sensitive regions are masked while non-sensitive regions remain visible, allowing users to access necessary information without compromising privacy protection.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent applies segmentation by dividing the display into multiple regions - sensitive areas that require masking and non-sensitive areas that remain visible. This segmentation allows selective privacy protection while maintaining access to necessary information.

Inventive Principle:
Principle #1Segmentation

3Reliability

If a digital privacy screen is implemented to selectively mask content, then information security is improved, but device complexity increases

Engineering Contradiction:
Improveinformation securityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent introduces an intermediary component - the digital privacy screen layer - that sits between the display content and the user. This intermediary selectively masks sensitive information while allowing non-sensitive information to pass through, improving security without requiring fundamental changes to the device architecture.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system creates a visual copy or overlay of the display content with selective masking applied. Rather than modifying the original display output, it generates a masked version that preserves non-sensitive information while protecting sensitive areas, reducing the complexity burden.

Inventive Principle:
Principle #26Copying

4Productivity

If sensitive information is displayed in public settings, then work efficiency is improved, but risk of unauthorized access increases

Engineering Contradiction:
Improvework efficiencyVSAvoidunauthorized access risk
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent implements dynamics by making the privacy screen adaptable to different contexts. The system can dynamically adjust masking based on user actions, environment detection, or content sensitivity levels, allowing full visibility when needed for productivity while providing protection when security concerns arise.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system applies preliminary anti-action by proactively masking sensitive information before unauthorized viewing can occur. The digital privacy screen is positioned to prevent shoulder surfing and unauthorized access in advance, allowing users to work efficiently in public settings without compromising security.

Inventive Principle:
Principle #9Preliminary anti-action

Data Source

PatentUS11475146B2Systems and methods for a privacy screen for secure SaaS applications
Publication Date: 2022.10.18 CITRIX SYSTEMS INC
  • US11475146B2 patent drawing
  • US11475146B2 patent drawing
  • US11475146B2 patent drawing

AI summary

Systems and methods for providing a privacy screen to a network application accessed via an embedded browser of a client application are described. The method includes establishing, by a client application on a client device, a session to a network application hosted on a third party server. The client application includes an embedded browser for accessing the network application. The method further includes identifying, by the client application, a policy for providing a privacy screen to one or more portions of the network application, detecting, by the embedded browser, that the one or more portions of the network application are to be rendered on a display of the client device, and displaying a privacy screen including one or more masks displayed over at least the one or more portions of the network application rendered on the display of the client device via the embedded browser.