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detectionlint / library / spl

AWS Bedrock Claude Unusually Large Prompts

splApache-2.0from splunk/security_content

This detection identifies unusually large prompts sent to AWS Bedrock Claude models by calculating the statistical baseline of input token counts and flagging requests that exceed 15 standard deviations above the mean. Abnormally large prompts may indicate prompt injection attacks, data exfiltration attempts, or abuse of the AI service.

02
quality67
fp risk—
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