> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/sast-and-sca/prezero/customization/policies.md).

# Policies

* [About policies](/sast-and-sca/prezero/customization/policies/about-policies.md)
* [Create a custom policy](/sast-and-sca/prezero/customization/policies/custom-policies.md)
* [Use the default policy with best practices](/sast-and-sca/prezero/customization/policies/best-practices.md)
* [Run a partial scan](/sast-and-sca/prezero/customization/policies/partial-scan.md)
* [Customize the descriptions of findings](/sast-and-sca/prezero/customization/policies/findings-descriptions.md)
* [Add a custom validation function](/sast-and-sca/prezero/customization/policies/validation-function.md)
* [Create business logic-based policies](/sast-and-sca/prezero/customization/policies/business-logic.md)
* [Exclude vulnerabilities with sanitization functions](/sast-and-sca/prezero/customization/policies/policy-sanitization-function.md)
* [Modify the sensitive data dictionary](/sast-and-sca/prezero/customization/policies/sensitive-data-dictionary.md)