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. 31, 2026

Filed:

Dec. 01, 2023
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Andrew E Ossipov, Lewisville, TX (US);

James W. Kasper, Leander, TX (US);

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/0428 (2013.01); H04L 63/1425 (2013.01);
Abstract

Techniques for augmenting deep packet inspection capabilities of a network security device provisioned in a networked computing environment with inference-based flow selection to focus processing resources on network traffic that is likely to be malicious. The network device(s) may receive decryption policies comprising one or more decrypt and/or do not decrypt rules for applying the decryption policy to the network traffic. The network device may receive network traffic associated with a given connection flow through the network between a client device and a workload application, and the network device may determine whether to decrypt or refrain from decrypting the network traffic associated with the network flow based on a risk score that is generated by the network device using connection fingerprints associated with the client device and the workload application, respectively, based on behavioral characteristics of the client device and the workload, respectively.


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