IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elastic Security Solution [8.13] ›Downloadable rule update v8.13.21

Unusual High Confidence Misconduct Blocks Detected

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Unusual High Confidence Misconduct Blocks Detected

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Detects repeated high-confidence BLOCKED actions coupled with specific violation codes such as MISCONDUCT, indicating persistent misuse or attempts to probe the model’s ethical boundaries.

Rule type: esql

Rule indices: None

Severity: high

Risk score: 73

Runs every: 10m

Searches indices from: now-60m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Domain: LLM
  • Data Source: AWS Bedrock
  • Data Source: AWS S3
  • Use Case: Policy Violation
  • Mitre Atlas: T0051
  • Mitre Atlas: T0054

Version: 3

Rule authors:

  • Elastic

Rule license: Elastic License v2

Setup

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Setup

This rule requires that guardrails are configured in AWS Bedrock. For more information, see the AWS Bedrock documentation:

https://docs.aws.amazon.com/bedrock/latest/userguide/guardrails-create.html

Rule query

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from logs-aws_bedrock.invocation-*
| MV_EXPAND gen_ai.compliance.violation_code
| MV_EXPAND gen_ai.policy.confidence
| where gen_ai.policy.action == "BLOCKED" and gen_ai.policy.confidence LIKE "HIGH" and gen_ai.compliance.violation_code LIKE "MISCONDUCT"
| keep user.id
| stats high_confidence_blocks = count() by user.id
| where high_confidence_blocks > 5
| sort high_confidence_blocks desc
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