Aws Unrestricted Broker Access
Description
Detects Amazon MSK (Managed Streaming for Kafka) clusters that allow unauthenticated access to brokers. Allowing unauthenticated access means anyone can connect to the Kafka brokers without authentication, which poses a significant security risk as it could allow unauthorized access to sensitive data streams.
Detection Strategy
• Checks all MSK clusters in the specified AWS region (excluding serverless clusters)
• Reports a vulnerability if a cluster has unauthenticated access enabled (ClientAuthentication.Unauthenticated.Enabled is true)
• Only standard (non-serverless) MSK clusters are evaluated for this security check
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