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Thanks to the similarity in abbreviations, continuous deployment is often confused with continuous delivery. As IT blogger Carl Caum notes, it “ the next step of continuous delivery: Every change that passes the automated tests [in continuous delivery] is deployed to production automatically” and released to customers. Without one, you can’t have the other.

How to secure continuous deployment

Automation is key to continuous deployment and security. Automate wherever you can automate. In addition, Jim Bird, author of “DevOpsSec: Securing Software Through Continuous Delivery,” recommends these activities:

  • Do a threat model on the CI/CD pipeline. Look for weaknesses in the setup and controls, and gaps in auditing or logging.
  • Harden the systems that host the source and build artifact repositories, the CI/CD servers, and the systems that host the configuration management, build, deployment, and release tools.
  • Ensure that keys, credentials, and other secrets are protected. Get secrets out of scripts and source code and plaintext files, and use an audited, secure secrets manager.
  • Secure access to the source and binary repos, and audit access to them.
  • Implement access control across the entire toolchain.
  • Change the build steps to sign binaries and other build artifacts to prevent tampering.
  • Ensure that all systems are monitored as part of the production environment.

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