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Cyber Security Agency of Singapore

Cloud Security for Organisations

The Cloud Security Companion Guides, developed in partnership with Cloud Security Alliance, provide comprehensive frameworks for organisations implementing cloud security measures aligned with Cyber Essentials and Cyber Trust standards.

Last updated 15 April 2025

Cloud Security Companion Guides

The Cloud Security Companion Guides for Cyber Essentials and Cyber Trust help organisations to understand the cloud security measures to pay attention to as enterprise adoption of cloud computing rises.

Jointly developed with Cloud Security Alliance, these companion guides are aligned to national cybersecurity standards for organisations – Cyber Essentials and Cyber Trust.

Key shifts and cybersecurity implications when organisations move to cloud

These are some key shifts and cybersecurity implications when organisations move to the cloud:

a graphic table of key shifts and cybersecurity challenges when organisations move to the cloud

Cloud Security Companion Guide for Cyber Essentials

The Cloud Security Companion Guide for Cyber Essentials is targeted at organisations that are subscribed to Software-as-a-Service (SaaS).

The cloud Shared Responsibility Model (SRM) is commonly used to describe the responsibilities of the cloud user (or customer) and the cloud provider in securing the cloud environment. This is a joint responsibility that is shared, and the SRM is organised according to the cybersecurity measures in Cyber Essentials mark.

SRM for Cyber Essentials for SaaS users

CSA has also worked with major cloud providers to develop companion guides that are specific to their respective cloud services.

Resources available for download:

Cloud Security Companion Guide for Cyber Trust

The Cloud Security Companion Guide for Cyber Trust is targeted at organisations that use other cloud computing service models beyond SaaS, and have mapped their cloud security controls to the Cloud Security Alliance Cloud Controls Matrix v4.

Cyber Trust mapping to Cloud Security Alliance Cloud Control Matrix

CSA has also worked with major cloud providers to develop companion guides that are specific to their respective cloud services.

Resources available for download:

Cybersecurity as your competitive advantage

If your organisation has already put in place the cybersecurity measures, get recognised by applying for cybersecurity certification for organisations.

Additional information

  • If you do not have in-house personnel to manage cybersecurity in your organisation, cybersecurity consultants (that have been onboarded by CSA) will be your “Chief Information Security Officers” (CISO) to help you to improve your cyber resilience through cyber health “checkups”. Develop a cybersecurity health plan tailored for your needs.

  • CSA has tailored cybersecurity toolkits for different types of organisations and organisational roles such as business leaders, SME owners, employees and IT Teams.