No Silver Bullet: 10 Ways to Keep Secrets Out of Logs

This blog post tackles the persistent problem of sensitive data leaking into logs. The author argues there's no single solution, but a multi-layered defense strategy is key. Six common causes are identified, including direct logging and error objects containing secrets. Ten solutions are proposed, ranging from architectural changes and data transformations to custom data types, read-once objects, log formatters, unit testing, sensitive data scanners, log pre-processors, taint checking, and team training. The author stresses a layered approach for robust protection.