Archived guide on using DPAPI to securely store credentials in Windows applications, ensuring safety against plaintext storage.
To avoid storing connection credentials and API tokens in plaintext configuration files in Windows apps, we walk through DPAPI / ProtectedData, the difference between CurrentUser and LocalMachine, and implementation caveats. Archived version of https://comcomponent.com/en/blog/2026/03/16/000-windows-app-secret-storage-best-practices-dpapi/, as published on 2026-07-27. The live article is maintained and may change after this date. First published 2026-03-16.
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