Rule-based document scrubbing of sensitive data

US11449635B2 · kind B2 · utility

Assignee

• MICROSOFT TECHNOLOGY LICENSING, LLC · US

Inventors

• Brian Boon · Redmond, US
• Dinesh Chandnani · Sammamish, US
• Zhu Chen · Redmond, US
• Ram Kumar Donthula · Redmond, US
• MATTHEW SLOAN THEODORE EVANS · Kindred, US
• Andrew Christopher Neil · Seattle, US
• Vijaya Upadya · Sammamish, US
• GEOFFREY STANEFF · Woodinville, US
• Shibani Basava · Seattle, US
• EVGENIA STESHENKO · Seattle, US
• Carl Brochu · Renton, US
• SHAUN MILLER · Scottsdale, US
• Xin Shi · Nanhu, CN

Key dates

• Filing date: May 9, 2019
• Grant date: Sep 20, 2022
• Expiry date: Jun 9, 2040

Classification

• Technology area (CPC G): Physics
• CPC primary: G06F21/602
• WIPO field: Computer technology
• WIPO sector: Electrical engineering

Abstract

A rule-based attribution mechanism analyzes documents having different types of data in different formats through the application of script-based rules that apply a tag to the document identifying the type of sensitive data that is contained in the document. Documents having similar tags are aggregated so that the sensitive data is scrubbed from the document leaving the telemetric data available for downstream processing. The scrubbing entails different actions, such as, eliminating the sensitive data, obfuscating the sensitive data, and converting the sensitive data into a non-sensitive value.