Secure Cloud Business Applications (SCuBA) Project

Secure Cloud Business Applications (SCuBA)


The Secure Cloud Business Applications (SCuBA) project provides guidance and capabilities to secure agencies’ cloud business application environments and protect federal information that is created, accessed, shared and stored in those environments.

SCuBA will help secure Federal Civilian Executive Branch (FCEB) information assets stored within cloud environments through consistent, effective, modern, and manageable security configurations.

For information not provided, please refer to the Frequently Asked Questions, or email

Current Status

In October 2022, CISA published the Microsoft 365 secure configuration baselines and encouraged FCEB agencies to pilot and provide feedback. The comment period ended on December 16, 2022.

The SCuBA Technical Reference Architecture and extensible Visibility Reference Framework Guidebook were finalized and published June 27, 2023

CISA released the Hybrid Identity Solutions Architecture for public comment in March 2023. The comment period ended on April 19th, 2023.


CISA requested public comment on the Technical Reference Architecture (TRA) and extensible Visibility Reference Framework (eVRF) in the first phase of the SCuBA project to ensure our guidance enables the best flexibility to keep pace with evolving technologies and capabilities and protect the federal enterprise.

CISA's intent is to properly address cybersecurity and visibility gaps within cloud-based business applications that have hampered our collective ability to adequately understand and manage cyber risk across the Federal and IT enterprise.

CISA has now finalized the TRA and eVRF documents.


The TRA is a security guide that agencies can use to adopt technology for cloud deployment, adaptable solutions, secure architecture and zero trust frameworks.  

Technical Reference Architecture Download


The eVRF Guidebook provides an overview of the eVRF framework, which enables organizations to identify visibility data that can be used to mitigate threats, understand the extent to which specific products and services provide that visibility data, and identify potential visibility gaps.  

The eVRF consists of a guidance document, two product-specific workbook overviews, and two product-specific workbooks.

eVRF Guidance Document

eVRF Google Workspace Workbook Overview

eVRF Google Workspace Workbook

eVRF Microsoft 365 Workbook Overview

eVRF Microsoft 365 Workbook

Microsoft 365 & Google Workspace Secure Configuration Baselines

CISA, in partnership with the CIO Council, developed minimum security controls for Microsoft 365 and solicited agency feedback on the business impact of the controls, their implementation and any adoption blockers. The public comment period ended on December 16, 2022.

The baselines are available through GitHub or download. 

Microsoft Defender for Office 365

Microsoft Azure Active Directory

Microsoft Exchange Online

Microsoft OneDrive for Business

Microsoft Power BI

Microsoft Power Platform

Microsoft SharePoint Online

Microsoft Teams

Hybrid Identity Solutions Architecture

CISA has released the Hybrid Identity Solutions Architecture guidance document for comment. This document is designed to help agencies understand potential options for identity management interoperability between on-premises and cloud-based solutions, the challenges involved in each, and how to address those challenges. The comment period ended on May 26th, 2023

Hybrid Identity Solutions Architecture