This story was originally published on HackerNoon at:
https://hackernoon.com/code-smell-261-digicert-underscores.
In digital certificate validation, missing an underscore prefix can lead to significant issues, as seen with DigiCert’s recent problems.
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Skipping essential validation steps like adding an underscore prefix can cause severe security and functionality issues. DigiCert’s recent oversight highlights the need for consistent validation and thorough testing. Ensure proper prefix usage, implement strict validation checks, and test with legacy data to avoid such problems.