Transformer and GAN Detection for Sensitive Data Leakage

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Solution Overview

Problem

Microservice architectures in enterprise computing systems face challenges with sensitive data leakage, leading to high false positive rates and latency due to inefficient data detection methods like regular expressions, which lack nuance and precision.

Innovation Solution

Implementing generative adversarial networks (GANs) and transformer models to detect and prevent sensitive data leakage by applying a blocking policy, reducing false positives and enhancing system performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If regular expressions are used to detect sensitive data in microservice responses, then data leakage can be prevented, but false positive rates increase and detection precision decreases

Engineering Contradiction:
Improvedata leakage preventionVSAvoiddetection precision
Core Design Contradiction:
ReliabilityVSMeasurement precision

Solution Approach 1:

The patent replaces traditional regular expression-based detection (mechanical pattern matching) with machine learning models including BERT transformers and GANs. These models learn semantic patterns and contextual relationships in data, enabling more accurate distinction between sensitive and non-sensitive information while reducing false positives.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent transforms the detection approach by changing from fixed regex patterns to adaptive machine learning parameters. The GAN framework allows the system to learn optimal detection parameters through adversarial training, improving precision while maintaining reliability in preventing actual data leakage.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If traditional detection methods are used across hundreds of microservice endpoints, then system coverage is maintained, but processing latency increases

Engineering Contradiction:
Improvesystem throughputVSAvoiddetection latency
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent implements GAN-based pre-training where the generator and discriminator are trained beforehand on extensive datasets. This preliminary action creates optimized detection models that can be rapidly deployed across multiple microservice endpoints without requiring real-time complex computations, thereby reducing latency while maintaining comprehensive coverage.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If regular expression patterns are applied to all data traffic, then potential sensitive data can be identified, but false positive rates become unmanageably high

Engineering Contradiction:
Improvesensitive data identificationVSAvoidfalse positive rate
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent substitutes rigid regular expression matching with flexible machine learning-based detection. The BERT transformer models understand contextual semantics and can distinguish between legitimate uses of sensitive-looking patterns (false positives) and actual sensitive data, dramatically reducing false positive rates while maintaining identification reliability.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS12468853B2Sensitive data leakage protection
Publication Date: 2025.11.11 AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC
  • US12468853B2 patent drawing
  • US12468853B2 patent drawing
  • US12468853B2 patent drawing

AI summary

Disclosed herein are system, method, and computer program product embodiments for increasing data security by using generative adversarial networks (GAN) and transformer models to detect sensitive data leakage. A transformer model may receive a message via a network. The transformer model may then apply a GAN model to determine whether the message contains potentially sensitive data requiring further inspection. If the message contains potentially sensitive data, the transformer model may determine sensitive data types may be included in the message and the likelihood that sensitive data is present. Based on the transformer model's determination, a blocking policy may be applied to prevent sensitive data leakage.