--- title: "Filter for specific threats" slug: "filter-for-specific-threats" updated: 2026-09-10T17:31:04Z published: 2026-09-10T17:31:04Z canonical: "docs.redcanary.com/filter-for-specific-threats" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.redcanary.com/llms.txt > Use this file to discover all available pages before exploring further. # Filter for Specific Threats Filter and find specific threats in Zscaler MDR. To group and understand your threats, you can filter them by attribute. 1. On the navigation menu, click **Threats**. 2. Enter attributes in the Threats filter bar, and then press **Enter.** ## Threat table attributes ![Threat_Table.png](https://cdn.document360.io/75147bee-bf0d-444c-8afb-6e83b11ec0ef/Images/Documentation/13079058307735.png?sv=2026-02-06&spr=https&st=2026-11-09T12%3A26%3A05Z&se=2026-11-09T13%3A26%3A05Z&sr=c&sp=r&sig=s8elbYgcH0bra8%2Fb6405A8%2B6R9miXV0mU73TTbHqyqA%3D) | **Key** | **Attribute** | **Description** | **Example** | | --- | --- | --- | --- | | 1 | Severity | The severity of the threat. Separate multiple values with a vertical bar (\|). | severity:high severity:high\|medium | | 2 | Threat | This is the unique threat ID. | | | 3 | Classification | Strings indicating the classification and sub-classification of a threat. Separate multiple values with a vertical bar (\|). | classification:"Malicious Software" classification:"Worm"\|"Process" | | 4 | Endpoint | The hostname of the endpoint associated with the threat. | hostname | | 5 | Identity | The username of the user associated with the threat. | Username | | 6 | Acknowledged at | The date and time the threat was last acknowledged. | acknowledged_at:2022-02-02.. | | 7 | Acknowledged by | The email of the user who acknowledged the threat. | acknowledged_by:johndoe@acme.com | | 8 | Published at | The publishing date and time. | published_at:2022-02-02.. | | 9 | State | The state of the threat. Valid options are new, acknowledged, remediated, and not_remediated. Separate multiple values with a vertical bar (\|). | state:new state:new\|acknowledged state:remediated\|not_remediated | | 10 | Last Seen | Filter by the date and time that associated activity was last observed. | last_seen:2022-02-02.. | **A note on dates and times:** Date filters are specified with a from..to syntax where either from or to can be unbounded: - 2020-01-01.. filters for matches on or after (>=) the from date - ..2020-01-01 filters for matches on or before (<=) the to date - 2020-01-01..2020-01-31 filters for matches on or after (>=) the from date and on or before (<=) the to date To filter endpoints by operating system, use the *operating_system:* field. You may either type a word after the colon, for example, *operating_system:windows;* or multiple words surrounded by double quotes, for example, *operating_system:"Windows 10".* This field is not case-sensitive, and will match on specific endpoint operating systems, as well as canonicalized names.