[Security Center] Add Cloudforce 1 + upload and download attachments (#17667)

* [Security Center] Add Cloudforce 1 + upload and download attachments

* Moving redirect

* Apply suggestions from code review

Applying Jun's suggestions

Co-authored-by: Jun Lee <[email protected]>

---------

Co-authored-by: Jun Lee <[email protected]>

Author: 2 people

src/content/docs/security-center/cloudforce-one.mdx renamed to src/content/docs/security-center/cloudforce-one/cloudforce-one.mdx

@@ -0,0 +1,30 @@
+---
+pcx_content_type: overview
+title: Cloudforce One
+sidebar:
+  order: 5
+
+---
+
+:::note
+You must have a Cloudforce One subscription to access Cloudforce One on the dashboard.
+:::
+
+Cloudforce One is a threat intelligence solution that offers threat research reports, brand protection, Request for Information (RFIs), and more.
+
+## Cloudforce One Requests
+
+Cloudforce One allows you to review and manage Request for Information (RFIs) from the dashboard.
+
+To review and manage Request for Information:
+
+1. Log in to the [Cloudflare dashboard](https://dash.cloudflare.com/) and select your account.
+2. Go to **Security Center** > **Cloudforce One Requests**, then populate the required fields.
+
+### Upload and download attachment
+
+You can also choose to upload and download an attachment. 
+
+Under **Attachments**, select the file you want to upload, then select **Save**. 
+
+To download an attachment, select **Download** on the attachment.