Webpage Input Field Obscuring for Phishing Protection

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Solution Overview

Problem

Conventional anti-phishing techniques often overreach by blocking entire webpages, leading to reduced usability and transparency, and are slow to react, allowing phishing attacks to occur before protection is implemented.

Innovation Solution

A system and method that detects input fields for sensitive information on webpages and obscures them while rendering the rest of the webpage, checking for suspicious activities, using techniques like blurring, overlaying, or omitting these fields to protect user data.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional anti-phishing techniques block or gate entire webpages, then protection against phishing attacks is provided, but webpage usability and transparency are reduced

Engineering Contradiction:

Improveprotection against phishing attacksVSAvoidwebpage usability

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent divides the webpage into two categories: safe elements and sensitive elements. Instead of blocking the entire webpage, only sensitive elements (input fields, forms, buttons that submit data) are obscured or blocked. This segmentation allows users to freely view and navigate the webpage content while protecting against phishing by preventing interaction with potentially malicious input fields.

Inventive Principle:

Principle #1Segmentation

2Reliability

If conventional anti-phishing techniques block entire webpages, then protection against phishing attacks is provided, but transparency of the webpage is reduced

Engineering Contradiction:

Improveprotection against phishing attacksVSAvoidwebpage transparency

Core Design Contradiction:

ReliabilityVSLoss of information

Solution Approach 1:

The patent applies different treatment qualities to different parts of the webpage. Safe elements maintain their original transparent, visible state allowing full viewing. Sensitive elements receive a localized quality change through obscuration (blurring, gray scaling, or blocking) only where needed for protection. This local application of quality changes preserves overall webpage transparency while providing targeted protection.

Inventive Principle:

Principle #3Local quality

3Reliability

If conventional anti-phishing techniques are implemented, then protection is provided, but the reaction time is slow, allowing phishing attacks to occur before protection is implemented

Engineering Contradiction:

Improveprotection against phishing attacksVSAvoidreaction time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The patent performs preliminary analysis of webpage elements when the page is first loaded or rendered. It identifies and classifies elements as safe or sensitive before user interaction occurs. By pre-obscuring sensitive elements based on their structural characteristics (input fields, forms, submission buttons) rather than waiting for attack detection, the system provides immediate protection without requiring slow post-attack response times.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS20260046309A1Systems, devices, articles, and methods for protection from phishing attacks

Publication Date: 2026.02.12 STINGRAY SECURITY LTD

AI summary

Embodiments of the present disclosure relate to systems, devices, articles, and methods providing protection against phishing and thereby protecting sensitive information of a user or organization. The system receives a user request and document object model from a user interface device comprising details of the webpages. The system checks if the webpage contains a first part characterized by an input field to enter sensitive information and obscures the first part on the webpage if present. The system renders or displays the remaining part of the webpage.