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Google Cloud IAM Slip Lets AI Service Read Customer Buckets

Google Cloud disclosed that an overly permissive Identity and Access Management (IAM) policy on its AI Platform inadvertently granted the service read access to data stored in customer Cloud Storage buckets. The misconfiguration was uncovered during routine security monitoring and was quickly isolated, limiting the amount of data exposed.

Defenders should treat this as a reminder that even managed services can become attack vectors when IAM roles are not tightly scoped. Regular audits of service‑account permissions, automated policy‑drift detection, and enforcing least‑privilege principles are essential to prevent similar data‑exfiltration scenarios in cloud environments.

Categories: Data Breaches, Identity & Access Management, Cloud & SaaS Security

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