ExtraHop named a Leader in the 2025 Forrester Wave™: Network Analysis And Visibility Solutions

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DETECTION OVERVIEW

Kerberos Duplicate Sessions Errors

Category

Authorization & Access Control
Next in Authorization & Access Control: Kerberos Invalid Ticket Errors

Description

An application or device had an unusually high number of the Kerberos 0x22 error, which is caused by duplicate Kerberos authentication ticket requests. Duplicate requests can be caused by network errors or might be an attempted replay attack.

Associated content

Announcing The Forrester Wave™: Network Analysis And Visibility Solutions, Q4 2025

Network analysis and visibility solutions remain underrepresented in enterprises. Find out why in this preview of a new Wave report.

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ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response — ExtraHop

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response

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