Microsoft Defender EASM
GeneralASN asset filters
In brief
The article’s introductory text and description of filter sorting were rewritten for clarity. The publication date and custom metadata were also updated.
What Defender admins need to know
Administrators can use the clearer guidance when refining Defender EASM inventory searches; no configuration change is required.
Summaries are generated from the documentation change itself.
Documentation change
View on Microsoft LearnThe comparison below shows only the changed extract. Use the full-page view for complete context.
ASN asset filters
This article lists the available filters for Autonomous System Number (ASN) assets in Microsoft Defender External Attack Surface Management. ItEach filter entry describes eachthe filter's purpose, expected value format, and supported operators so you canoperators. Use these filters to refine your Defender EASM inventory searches toand locate a specific ASN or group of ASNs.
Freeform filters
The followingThese filters require thatyou to type the user manually enters thesearch value with which they want to search. Thisyourself. The list is organized according tosorted by the number of applicable operators for each filter,filter supports, then alphabetically.by name.
| Filter name | Description | Value format | Applicable operators |
|---|
@@ -5,19 +5,19 @@ description: This article outlines the filter functionality available in Microso author: danielledennis ms.author: dandennis ms.service: defender-easm-ms.date: 06/15/2026+ms.date: 07/02/2026 ms.topic: how-to ai-usage: ai-assisted-ms.custom: msecd-doc-authoring-1014+ms.custom: msecd-doc-authoring-1016 --- # ASN asset filters -This article lists the available filters for Autonomous System Number (ASN) assets in Microsoft Defender External Attack Surface Management. It describes each filter's purpose, expected value format, and supported operators so you can refine your Defender EASM inventory searches to locate a specific ASN or group of ASNs. +This article lists the available filters for Autonomous System Number (ASN) assets in Microsoft Defender External Attack Surface Management. Each filter entry describes the filter's purpose, expected value format, and supported operators. Use these filters to refine your Defender EASM inventory searches and locate a specific ASN or group of ASNs. ## Freeform filters -The following filters require that the user manually enters the value with which they want to search. This list is organized according to the number of applicable operators for each filter, then alphabetically.+These filters require you to type the search value yourself. The list is sorted by the number of operators each filter supports, then by name. | Filter name | Description | Value format | Applicable operators | |------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|