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US Patent 12081589 Systems and methods for improved domain name system security

Patent 12081589 was granted and assigned to COMCAST CABLE COMMUNICATIONS, LLC on September, 2024 by the United States Patent and Trademark Office.

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Patent attributes

Patent Applicant

COMCAST CABLE COMMUNICATIONS, LLC

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Current Assignee

COMCAST CABLE COMMUNICATIONS, LLC

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Jason Livingood0

Date of Patent

September 3, 2024

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Patent Application Number

171561680

Date Filed

January 22, 2021

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Patent Citations

US Patent 9749336 Malware domain detection using passive DNS

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US Patent 8321551 Using aggregated DNS information originating from multiple sources to detect anomalous DNS name resolutions

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US Patent 9686291 Method and system for detecting malicious domain names at an upper DNS hierarchy

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Patent Primary Examiner

Badri Narayanan Champakesan

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CPC Code

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Patent abstract

Provided herein are methods and systems for improved domain name system (DNS) security. A computing device of a DNS, such as a recursive DNS server, may cache previously processed (e.g., resolved) DNS requests. The DNS cache may be a target for cache poisoning and other cache manipulation attacks. The methods and systems described herein may employ artificial intelligence, machine learning, and/or pattern recognition techniques to provide improved security for the DNS cache.

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