Unusual AI RAG Knowledge Base Modification

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2026-01-14
Category
Analytics Alert Reference
Index by
Alert name

Synopsis

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

AIDR

Detector Tags

Cloud AI Infrastructure Analytics

ATT&CK Tactic

Impact (TA0040)

ATT&CK Technique

Data Manipulation: Stored Data Manipulation (T1565.001)

Severity

Low

Description

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.