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:
Sep. 29, 2026

Filed:

Dec. 29, 2023
Applicant:

Radware Ltd., Tel Aviv, IL;

Inventors:

Avi Chesla, Tel Aviv, IL;

Simcha Stern, Beit Shemesh, IL;

Ehud Doron, Moddi'in, IL;

Guy Perez, Yavne, IL;

Assignee:

Radware, Ltd., Tel Aviv, IL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1458 (2013.01); H04L 63/1425 (2013.01); H04L 63/166 (2013.01);
Abstract

A method and system for detecting encrypted distributed denial of service (DDoS) attacks are provided. The system includes monitoring encrypted transactions related traffic; deriving from the encrypted transactions rate-based parameters and rate-invariant parameters, wherein the rate-based parameters and rate-invariant parameters are associated with transport layer security (TLS) fingerprints; comparing values of the rate-based parameters and the rate-invariant parameters respectively to at least one rate-based anomaly threshold and at least one rate-invariant anomaly threshold; and declaring a detected encrypted DDoS attack when both the rate-based anomaly threshold and the rate-invariant anomaly threshold are exceeded.


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