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

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DETECTION OVERVIEW

Unauthorized Caller Error (401)

Category

Service Degradation
Next in Service Degradation: Unauthorized Caller Error (407)

Description

An application had an excessive number of the SIP 401 status code, which was sent by a user agent server (UAS). This detection indicates that an unauthorized caller is trying to make several call requests.

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.

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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Periodic Table of Use Cases

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