> 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/security-testing-orchestration/use-sto/harness-security-scanners/shared/step-palette/auth/type.md).

# Type

The authentication method for the external scanner:

* Username & Password
* API Key