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.

Date of Patent:
Mar. 25, 2025

Filed:

Jun. 28, 2022
Applicant:

Microsoft Technology Licensing, Llc, Redmond, WA (US);

Inventors:

Cormac E. Herley, Bellevue, WA (US);

Fang Tu, Shoreline, WA (US);

Jayadev Pillai, Bellevue, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1416 (2013.01); H04L 63/1425 (2013.01); H04L 63/1458 (2013.01); H04L 63/20 (2013.01);
Abstract

Methods for detecting and mitigating abusive network activity based on versioned browser usage are performed by systems and devices. Usage values for network activity of legacy web browser versions are determined, where the usage values represent benign network activity associated with active instances of the legacy versions over prior time periods. The number of active instances of legacy browser versions is assumed to generally be monotonically decreasing over time, and thus a bound of benign network activity for each of the legacy versions can be estimated by associating an approximate percentage of benign traffic with a minimum past usage value. Current network activity is monitored to determine current usage values for the legacy versions, and network actions are performed based on current usage values deviating from past usage values according to the bound.


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