Microsoft Foundry Content Filter Modified or Deleted
Identifies the creation, modification, or deletion of a content filter (RAI policy) or a custom blocklist on a Microsoft Foundry (Azure AI Services) account. Content filters decide which prompt and completion…
Description
Identifies the creation, modification, or deletion of a content filter (RAI policy) or a custom blocklist on a Microsoft Foundry (Azure AI Services) account. Content filters decide which prompt and completion categories, jailbreak attempts, and protected material a model deployment blocks. An adversary with control of the account can weaken or remove these filters so that harmful prompts and outputs are no longer blocked or logged as filtered, which removes a guardrail and the detections that depend on its verdicts.
Detection logic
Its licence does not clear it for publishing here
Sunturai publishes a detection's own text where the licence it arrived under has been reviewed and permits it, and Elastic License 2.0 has not. The query as its source wrote it, its canonical form and the hash that pins this revision are in the workspace record.
Detection requirements
- Platform
- ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source category
- event_index
Known benign triggers
- AI platform administrators tuning content filter thresholds or blocklists for a new use case. Confirm the change with the account owner and change records.
- Infrastructure-as-code deployments that recreate RAI policies on every release. Add exceptions for the service principals that run these pipelines.
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| learn.microsoft.com/en-us/azure/ai-foundry/openai/concepts/content-filter | Only this detection cites it |
| learn.microsoft.com/en-us/azure/ai-foundry/openai/how-to/content-filters | Only this detection cites it |
| www.elastic.co/docs/reference/integrations/azure/activitylogs | 2 |
From the source
- At source
- Open at source
- Upstream identifier
- 734c9a40-52e2-4f1d-814e-91bdd69f7ad2
- Tagged by the source as
- Data Source: AzureData Source: Azure Activity LogsData Source: Microsoft FoundryDomain: CloudDomain: GenAIPlatform: AzureResources: Investigation GuideRule Type: Custom Query (KQL)Tactic: Defense EvasionUse Case: Threat Detection
Licence
- Published under
- Elastic License 2.0Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Oct 28, 2026
- Version
- 1