The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 23, 2019
Filed:
Jul. 29, 2016
Applicant:
Microsoft Technology Licensing, Llc, Redmond, WA (US);
Inventors:
Krishnaram Kenthapadi, Sunnyvale, CA (US);
Ahsan Chudhary, Sunnyvale, CA (US);
Ryan Wade Sandler, San Francisco, CA (US);
Anthony Duane Duerr, Castro Valley, CA (US);
Assignee:
Microsoft Technology Licensing, LLC, Redmond, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/50 (2013.01); G06F 21/60 (2013.01);
U.S. Cl.
CPC ...
G06F 21/50 (2013.01); G06F 21/602 (2013.01); G06F 2221/2151 (2013.01);
Abstract
In an example embodiment, a method for protecting against timestamp-based inference attacks in a computer system is provided. A timestamp corresponding to a time when confidential data is submitted to the computer system by a user is recorded. A modification value based on a frequency of submissions of confidential data to the computer system is selected. The timestamp is altered by adding the modification value to the timestamp.