Detection of Confidential Information

Among other aspects disclosed are a method and system for detecting confidential information. The method includes reading stored data and identifying strings within the stored data, where each string includes a sequence of consecutive bytes which all have values that are in a predetermined subset of...

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Bibliographic Details
Main Author FOURNIER DAVID
Format Patent
LanguageChinese
English
Published 23.03.2016
Subjects
CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Summary:Among other aspects disclosed are a method and system for detecting confidential information. The method includes reading stored data and identifying strings within the stored data, where each string includes a sequence of consecutive bytes which all have values that are in a predetermined subset of possible values. For each of at least some of the strings, determining if the string includes bytes representing one or more format matches, wherein a format match includes a set of values that match a predetermined format associated with confidential information. For each format match, testing the values that match the predetermined format with a set of rules associated with the confidential information to determine whether the format match is an invalid format match that includes one or more invalid values and calculating a score for the stored data, based at least in part upon the ratio of a count of invalid format matches to a count of other format matches.
Bibliography:Application Number: CN20151510773