US 11,785,027 B2
Threat protection in documents
Varagur Karthikeyan Sriram Iyer, Sammamish, WA (US); Willson Kulandai Raj David, Bothell, WA (US); Vinayak Goyal, Kirkland, WA (US); and Matthew Bryan Jeffries, Sammamish, WA (US)
Assigned to Microsoft Technology Licensing, LLC, Redmond, WA (US)
Filed by Microsoft Technology Licensing, LLC, Redmond, WA (US)
Filed on Oct. 28, 2021, as Appl. No. 17/452,698.
Application 17/452,698 is a continuation of application No. 16/658,450, filed on Oct. 21, 2019, granted, now 11,171,973.
Application 16/658,450 is a continuation of application No. 15/581,529, filed on Apr. 28, 2017, granted, now 10,454,952, issued on Oct. 22, 2019.
Claims priority of provisional application 62/438,887, filed on Dec. 23, 2016.
Prior Publication US 2022/0053008 A1, Feb. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/1416 (2013.01) [H04L 63/1483 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for providing threat protection in documents, the method comprising:
determining that a link in a document is selected, wherein the document is received as an attachment to a message;
in response to determining that the link in the document is selected, calling a threat protection client module with the selected link;
in response to receiving an indication from the threat protection client module that the selected link is directed to a malicious uniform resource locator (URL), causing a link activation module to generate a warning page; and
in response to determining that the selected link is at least one of a hypertext transfer protocol (http) link and a hypertext transfer protocol secure (https) link, activating the selected link.