HIGH
Source
Trivy
ID
AVD-GCP-0001

Ensure that Cloud Storage bucket is not anonymously or publicly accessible.

Using ‘allUsers’ or ‘allAuthenticatedUsers’ as members in an IAM member/binding causes data to be exposed outside of the organisation.

Impact

Follow the appropriate remediation steps below to resolve the issue.

Restrict public access to the bucket.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
resource "google_storage_bucket" "test" {
  name     = "test"
  location = "US"
}

resource "google_storage_bucket_iam_binding" "binding" {
  bucket = google_storage_bucket.test.name
  role   = "roles/storage.admin"
  members = [
    "user:jane@example.com",
  ]
}