AWS key validated via Boto3 then used to bulk read secrets and S3 objects
Detects a suspicious behavioral sequence in AWS CloudTrail logs from external IPs using the Boto3 user agent. The sequence starts with caller-identity validation (GetCallerIdentity), followed by a high volume of secret reads (Secrets Manager) or cloud storage object reads (S3), indicating automated reconnaissance, credential theft, or data exfiltration.
Microsoft Sentinel (KQL)
