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prowler/docs/tutorials/gcp/authentication.md
2024-02-29 11:19:17 +01:00

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# GCP authentication
Prowler will use by default your User Account credentials, you can configure it using:
- `gcloud init` to use a new account
- `gcloud config set account <account>` to use an existing account
Then, obtain your access credentials using: `gcloud auth application-default login`
Otherwise, you can generate and download Service Account keys in JSON format (refer to https://cloud.google.com/iam/docs/creating-managing-service-account-keys) and provide the location of the file with the following argument:
```console
prowler gcp --credentials-file path
```
???+ note
`prowler` will scan the GCP project associated with the credentials.
Prowler will follow the same credentials search as [Google authentication libraries](https://cloud.google.com/docs/authentication/application-default-credentials#search_order):
1. [GOOGLE_APPLICATION_CREDENTIALS environment variable](https://cloud.google.com/docs/authentication/application-default-credentials#GAC)
2. [User credentials set up by using the Google Cloud CLI](https://cloud.google.com/docs/authentication/application-default-credentials#personal)
3. [The attached service account, returned by the metadata server](https://cloud.google.com/docs/authentication/application-default-credentials#attached-sa)
Those credentials must be associated to a user or service account with proper permissions to do all checks. To make sure, add the `Viewer` role to the member associated with the credentials.