What is Sensitive Data Scanner in Datadog?

Sensitive Data Scanner inspects telemetry - most commonly logs - for patterns matching sensitive data, such as credit card numbers, social security numbers, or custom-defined patterns, using either Datadog's built-in pattern library or custom regular expressions.

When a match is found, the configured rule can redact the value, hash it, or simply flag/tag it, and this scanning happens as part of the processing pipeline before or during indexing, not as an afterthought once data is already searchable.

It's commonly used to help meet compliance requirements by ensuring sensitive values never end up stored in plain text in Datadog, even if an upstream application accidentally logs them.

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