> For the complete documentation index, see [llms.txt](https://cortex-docs.paloaltonetworks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cortex-docs.paloaltonetworks.com/analytics-alerts/alerts-by-name/unusual-ai-knowledge-base-modification.md).
# Unusual AI Knowledge Base Modification
### Synopsis
| Field | Value |
| -------------------- | ------------------------------------------------------------------------------------ |
| Activation Period | 14 Days |
| Training Period | 30 Days |
| Test Period | N/A (single event) |
| Deduplication Period | 5 Days |
| Required Data | Requires one of the following data sources:
AWS Audit Log OR Gcp Audit Log
|
| Detection Modules | Cloud |
| Detector Tags | Cloud AI Infrastructure Analytics |
| ATT\&CK Tactic | Impact (TA0040) |
| ATT\&CK Technique | Data Manipulation: Stored Data Manipulation (T1565.001) |
| Severity | Low |
### Description
An AI knowledge base was modified by an identity that typically doesn't interact with knowledge bases. MITRE ATLAS Technique: AML.T0070 - RAG Poisoning. OWASP Top 10 LLM Technique: LLM04 - Data and Model Poisoning.
### Attacker's Goals
Contaminating knowledge base, so that contextual information will be incorrect, biased or harmful.
### Investigative actions
* Check the identity that modified the knowledge base.
* Check recent additions to the knowledge base.
### Variations
Suspicious AI Knowledge Base Modification
**Synopsis**
| Field | Value |
| ----------------- | ------------------------------------------------------- |
| ATT\&CK Tactic | Impact (TA0040) |
| ATT\&CK Technique | Data Manipulation: Stored Data Manipulation (T1565.001) |
| Severity | Medium |
**Description**
An AI knowledge base was modified by an identity that typically doesn't interact with knowledge bases, adding a new data source type.
**Attacker's Goals**
Contaminating knowledge base, so that contextual information will be incorrect, biased or harmful.
**Investigative actions**
* Check the identity that modified the knowledge base.
* Check recent additions to the knowledge base.
---
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