from logs-aws_bedrock.invocation-*
// truncate the timestamp to a 1-minute window
| eval target_time_window = DATE_TRUNC(1 minutes, @timestamp)
| where gen_ai.response.error_code == "ValidationException"
| keep user.id, gen_ai.request.model.id, cloud.account.id, gen_ai.response.error_code, target_time_window
// count the number of users causing validation errors within a 1 minute window
| stats total_denials = count(*) by target_time_window, user.id, cloud.account.id
| where total_denials > 3
Install detection rules in Elastic Security
Detect AWS Bedrock Detected Multiple Validation Exception Errors by a Single User 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).