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Published : Oct 26, 2022
This blip is not on the current edition of the Radar. If it was on one of the last few editions, it is likely that it is still relevant. If the blip is older, it might no longer be relevant and our assessment might be different today. Unfortunately, we simply don't have the bandwidth to continuously review blips from previous editions of the Radar. Understand more
Oct 2022
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Teller is an open-source universal secret manager for developers that ensures the correct environment variables are set when starting an application. However, it's not a vault itself — it's a CLI tool that connects to a variety of sources, ranging from cloud secrets providers to third-party solutions like HashiCorp Vault to local environment files. Teller has additional functionality to scan for vault-kept secrets in your code, to redact secrets from logs, to detect drift between secrets providers and to sync between them. Given the sensitivity of accessing secrets, we can't emphasize enough the need to secure the supply chain for open-source dependencies, but we appreciate how easy the CLI is to use in local development environments, CI/CD pipelines and deployment automation.

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