You have production data sitting in AWS and some application components living happily in Google Cloud. It works fine until someone asks for a restore test or key rotation. Then half the team vanishes into IAM policy hell. This is where connecting AWS Backup with GCP Secret Manager starts to look like self-defense.
AWS Backup centralizes snapshot and recovery across services like RDS, EBS, and DynamoDB. GCP Secret Manager stores credentials, access tokens, and keys, with per-secret IAM access control. Together, they let you protect AWS workloads while sourcing secure credentials from Google’s service instead of scattering them in scripts. It gives you a single source of secret truth across clouds.
To integrate the two, start with identity. You need a trust link that allows an AWS Backup job to fetch or update secrets from GCP. The cleanest route is using workload identity federation. AWS IAM roles map to a GCP service account through an OIDC provider. Once configured, Backup runs can pull secrets like encryption keys from GCP Secret Manager at runtime without hardcoding them anywhere. That’s the difference between automation and duct tape.
Next, reduce human involvement. Automate secret rotation on the GCP side and sync rotation triggers to AWS Backup policies. That way, when a secret rotates, AWS picks up the new key automatically. A misaligned rotation schedule is the fastest way to kill a restore plan, so set both on a predictable interval. Self-healing backups are quieter than bright red alerts.
For daily operations:
- Restrict both IAM roles and service accounts to the least privilege needed to perform backup and restore.
- Log every access request with Cloud Audit Logs and AWS CloudTrail.
- Use tagging in AWS Backup to identify workloads bound by compliance like SOC 2 or HIPAA.
- Test your retrieval process quarterly. Secrets get stale faster than dashboards.
- Store audit keys and data integrity hashes separately. This limits blast radius in case of a leak.
When done right, you get a short list of wins:
- Fewer manual approvals.
- Faster cross-cloud recovery.
- Real-time key rotation without breaking jobs.
- Consistent audit trails across two identity domains.
- Confidence that your critical data is protected by policy, not by tribal knowledge.
For developers, this setup kills the wait time that usually comes with multi-cloud permissions. You can trigger restores or validate snapshots with temporary credentials, no ticket queue required. Less toggling between consoles, less cognitive drag, better velocity.
Platforms like hoop.dev turn those access rules into guardrails that enforce policy automatically. Instead of writing glue scripts, you focus on designing the right trust boundaries once, then let automation handle the heavy lifting.
How do I connect AWS Backup to GCP Secret Manager?
Configure an AWS IAM role with an OIDC identity provider referencing a GCP service account. Grant that account access to specific secrets. Then modify your AWS Backup plan to reference those secrets during encryption or restore steps. This keeps your keys out of static config files.
Why use both instead of sticking with one provider?
Most enterprises already run mixed workloads. AWS handles redundancy and data lifecycle, GCP’s Secret Manager handles fine-grained secret control. Together they deliver cross-cloud security without redesigning your architecture.
The short version: connect identity, rotate keys, trust automation. Secure backups should be boring. That’s the measure of success.
See an Environment Agnostic Identity-Aware Proxy in action with hoop.dev. Deploy it, connect your identity provider, and watch it protect your endpoints everywhere—live in minutes.