Rotate an automation secret as a planned dependency change: inventory every consumer, create or stage the replacement, update consumers through the approved secret store, validate the workflow, and revoke the old credential only after evidence shows the replacement works. Never paste the secret into tickets, chat, source code, screenshots, or logs.
Identify the credential and its owners
Record the secret's purpose, issuing system, owning account, environment, permitted scope, storage location, expiration policy, and responsible owner. List every consumer: scheduled jobs, deployment systems, webhooks, command-line profiles, integration platforms, monitoring checks, and recovery procedures. Search configuration names and secret references, not secret values.
OWASP's Secrets Management guidance treats creation, rotation, revocation, and expiration as parts of the secret lifecycle and recommends centralized management, limited access, automation, and avoiding secret exposure in logs. Use the least privilege the workflow actually needs; rotation is a chance to remove obsolete scope rather than copy it forward automatically.
Choose a safe transition pattern
Determine whether the provider allows two active credentials at once. If it does, create the new credential, store it in the approved secret manager, update consumers in controlled groups, and keep the old credential available only for the brief validation window. If only one credential can be active, schedule a maintenance window, prepare rollback, and order the updates to minimize interruption.
For managed rotation systems, understand what changes on both sides. AWS Secrets Manager documentation explains that rotation updates the protected credential in the secret and in the target service or database. Updating only the stored copy can therefore leave the consumer and target out of sync.
Update without exposing the value
Create the replacement in the issuing system. Write it directly to the approved secret store or protected local prompt; do not echo it to the terminal history or save it in a temporary text file. Update configuration to reference the secret by its stable name or version where supported. Restart or redeploy only the consumers that require it, noting that long-running processes may retain an old value until refreshed.
Validate every dependency
Run a read-only or reversible health check for each consumer. Confirm authentication, intended permission, expected environment, scheduled execution, error monitoring, and downstream result. Inspect logs for success and for accidental secret disclosure. AWS's custom-rotation guidance includes steps to set and test the pending credential and warns against logging sensitive data.
A single successful login is not enough when several jobs share the credential. Check each named consumer and wait for time-dependent schedules that cannot be triggered safely. Keep the old credential active until the defined validation set passes, unless a compromise requires immediate revocation.
Revoke and close
Disable or delete the old credential in the issuing system, then confirm that attempts using its identifier no longer succeed without exposing the value. Record the new version or identifier, rotation time, approver, consumers updated, validation evidence, revocation evidence, and next review date. Update the recovery procedure and ownership record.
If validation fails, stop expansion, restore the last known working reference when authorized, and investigate the specific consumer. Do not solve a rotation failure by granting broader permissions or leaving both credentials active indefinitely.
Sources
- Secrets Management Cheat Sheet — OWASP Foundation
- Rotate AWS Secrets Manager secrets — Amazon Web Services
- Rotation by Lambda function — Amazon Web Services