Trellix EDR Release Notes (Cloud) - October 15, 2024

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This Trellix Endpoint Detection and Response - Cloud October 15, 2024 release includes new features and resolved issues.

Every update release is cumulative and includes all features and fixes from the previous release.

The Generative AI feature, Trellix Wise is implemented in Trellix EDR Monitoring dashboard, Device Search and Historical Search to facilitate more in-depth and effective analysis. In Monitoring dashboard and Device Search, Trellix Wise feature capabilities can be utilized under the Ask Wise functionality and under Search with Wise functionality in Trellix EDR Historical Search.

The Trellix Wise feature in Trellix EDR Monitoring dashboard and Device Search includes the following capabilities:

  • Mode selection — The Ask Wise functionality offers two selection modes based on the nature of the threat analysis: Interactive Mode and Dossier Mode. These modes enable users to effectively engage with and analyze threats.

  • Interactive Mode — Interactive Mode is a dynamic feature that enables users to choose various analysis options for detailed information about a threat. Utilizing Generative AI, it provides insights based on the selected options and includes multiple sections for exploration.

  • Dossier mode — Dossier Mode consolidates the output of the Generative AI analysis for a selected threat, providing a summary and recommendations. This information is displayed in a structured section format within the Trellix Endpoint Detection and Response user interface.

  • Knowledge graph analysis — The Knowledge Graph analysis option features color-coded representation for each node, indicating severity levels: red for high severity, yellow for medium severity, and blue for no severity. Additionally, the Knowledge Graph now includes Process IDs (PIDs) for each node, representing individual processes.

    Note

    The Knowledge Graph option is only available in Interactive mode and not in Dossier mode.

  • Draft an Email — A Draft an Email analysis option is newly introduced under the Trellix Wise functionality Ask Wise and this option enables SOC Analysts to send detailed threat analyses or notify users about malicious processes or files via email.

  • Expand view option —The Expand View option is now available in the Ask Wise pane under the Trellix EDR Monitoring dashboard. This option allows users to expand the view pane for a better display of the analysis and contract it as needed.

  • Language selection — The language selection option is available under the Ask Wise pane in the Trellix EDR Monitoring dashboard. Supported languages include English, French, Italian, Portuguese, Spanish, Japanese, Korean, Thai and German with English as the default. This functionality allows analyses to be performed in the user’s preferred language.

  • Event selection — The Event Selection functionality in the Trellix EDR Device Search enables you to choose any event associated with an artifact for analysis using the Ask Wise option. By specifying the event occurrence time frame, you can refine the search window to select only the relevant events for analysis.

    Note

    You can select a maximum of 25 events to analyze with Ask Wise option, regardless of the artifact chosen. Once the 25-event limit is reached, a yellow prompt will appear at the end of the events list.

  • Event highlighter — The event highlighter in Trellix EDR Device Search ensures that once an event is selected for analysis with the Ask Wise, it cannot be selected again, thereby preventing the duplication of events.

  • Print Option — This functionality allows you to print detailed analyses of a particular threat or save the analyses as a PDF file. The print option is available in both Interactive and Dossier modes.

  • Feedback system — You can provide feedback on the assistance received from the Trellix Wise. The feedback system includes a rating option, allowing you to rate the support from 1 (poor service) to 5 (excellent service). Additionally, you can include constructive comments in the Additional Feedback section.

  • CachingTrellix Wise now includes an inbuilt caching feature, allowing users to obtain requested data from the cache without delay. The language selection feature also supports caching, enabling users to perform analyses in the same language used previously.

For more information on overview and functionalities of Trellix Wise, see Analyze threats with Generative AI.

The Trellix Wise feature has been integrated with Trellix EDR Historical Search. This allows users to input queries in natural language with the help of Search with Wise functionality, which are then automatically converted into EDR query language to provide accurate results. For more information, see Search for historical data on multiple endpoints.

Caching the search methods is now included under Trellix EDR Historical Search. You can search data using either the Search with EDR QL method or the Search with Wise method. The Trellix EDR Historical Search allows you to cache the previously used search method, ensuring that when you navigate back to the Historical Search, your preferred search method is retained.

Quota Management System

A quota management system is implemented for users who have opted for the Trellix Wise feature, with quotas varying by user type. Free/trial users have a limit of 30 analyses for the Ask Wise functionality, that includes AI assisted analyses in both the Monitoring dashboard and Device Search, as well as 60 analysis for natural language assistance with the help of Search with Wise in the Historical Search. This quota cycle for free/trial users begins with the first use of the Trellix Wise service (either Ask wise or Search with Wise functionality). For premium users, the quota depends on the number of analysis purchased for their specific tenant, with the cycle starting on the day of purchase. The cycle refreshes monthly, beginning from the first use of the Trellix Wise service. For more information, see Quota Management System.

Note

A rate limit is implemented for Trellix Wise analyses in the Monitoring dashboard, Device Search, and Historical Search. The limits for a tenant is set at 30 requests per minute for Monitoring and Device Search analyses, and 60 requests per minute for Natural Language Search queries.

Enable and Disable Trellix Wise feature

Trellix provides users with the flexibility to enable or disable the Trellix Wise feature. A toggle switch is available within the Configuration settings, allowing users to opt in or opt out of the Trellix Wise service. If the users have opted out of Trellix Wise service, the quota limit under Quota management system will be shown as zero (0). For more information, see Enable/Disable Trellix Wise section under Analyze threats with Generative AI.

Resolved issues

Reference

Resolution

SEC-188889

This release resolves the content formatting issue in the Draft an Email analysis option when using the print functionality to print or save the completed analysis.

SEC-187932

This release resolves an issue in the Trellix EDR Device Search where, after selecting an event under any artifact for Wise analysis, the event continued to be highlighted instead of being deemphasized once it was removed from the analysis cart.

SEC-190657

This release fixes the issue where the Device Search detection window would not open after logging into Trellix EDR and selecting the Device Search option from the menu.

Installation information

The Trellix Endpoint Detection and Response Installation Guide has all the information you need to install the product for the first time and to migrate from Trellix® Active Response.

Known issues

For a list of known issues in this product release, see KB91275.