Elastic Security Detection Rules

Unusual High Denied Topic Blocks Detected

Last updated a month ago on 2024-11-20
Created a month ago on 2024-11-20

About

Detects repeated compliance violation 'BLOCKED' actions coupled with specific policy name such as 'topic_policy', indicating persistent misuse or attempts to probe the model's denied topics.
Tags
Domain: LLMData Source: AWS BedrockData Source: AWS S3Use Case: Policy ViolationMitre Atlas: T0051Mitre Atlas: T0054
Severity
medium
Risk Score
47
False Positive Examples
New model deployments.Testing updates to compliance policies.
License
Elastic License v2(opens in a new tab or window)

Definition

Integration Pack
Prebuilt Security Detection Rules
Related Integrations

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Query
from logs-aws_bedrock.invocation-*
| MV_EXPAND gen_ai.policy.name 
| where gen_ai.policy.action == "BLOCKED" and gen_ai.compliance.violation_detected == "true" and gen_ai.policy.name == "topic_policy"
| keep user.id
| stats denied_topics = count() by user.id
| where denied_topics > 5
| sort denied_topics desc

Install detection rules in Elastic Security

Detect Unusual High Denied Topic Blocks Detected in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).