METHOD AND SYSTEM FOR DETECTING CONFIDENTIAL DATA Russian patent published in 2025 - IPC G06F21/62 G06F18/2413 G06N20/10 

FIELD: computer engineering.

SUBSTANCE: method of detecting confidential data in structured documents comprises steps of: a) obtaining a structured document containing data in tabular form; b) processing data using a machine learning model based on a neural network, trained to identify confidential data, during which: determining confidential data in each cell of the table of the structured document; determining a tag corresponding to the type of confidential information for each cell of the column of the structured document; tagging columns based on tags for cells of that column; comparing, in each column, the content of tags with a threshold value for each such tag corresponding to the type of confidential data; determining a column tag based on the comparison results; c) assigning a degree of criticality to the structured document; d) sending the classified document to the security system.

EFFECT: high accuracy of detecting confidential data in structured documents.

2 cl, 3 dwg, 1 tbl