A cloud contract should say what the provider will secure, what you must manage, and how each side will handle incidents, evidence, data and service changes. Review the agreement alongside its security documents: a certification or broad assurance statement does not tell you who performs a particular control. Use this checklist to assess a cloud service before signing or renewing; it is practical guidance, not jurisdiction-specific legal advice.
1. Service scope and locations
Make sure the agreement identifies the products and service components it covers, the regions involved, and where relevant data is processed. Check whether the stated locations apply to the service relationship, data storage, and other processing—not just the provider’s headquarters. Ask how the provider will communicate material changes to services or locations.
The Cloud Security Alliance (CSA) includes service scope, service characteristics and location among the topics to address in cloud agreements. CSA AICMv1.1 auditing guidelines
2. A written shared-responsibility map
For each security control that matters to your use of the service, identify who configures, operates and monitors it—and who supplies evidence that it is working. The allocation can vary with the service model and configuration, so a generic responsibility chart may not match the products you actually buy.
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Ask the provider to document the split for the specific services in scope. Then check that your team has the access, skills and procedures needed to carry out the customer-side tasks. CSA’s agreement guidance identifies information-security requirements, including shared responsibility, as a contract topic. CSA AICMv1.1 auditing guidelines
3. Security commitments and change management
Look for commitments that are specific enough to evaluate and for a process covering material changes to the service or its controls. The agreement or incorporated security documents should make clear what the provider commits to do, how changes will be communicated, and what options you have if a change affects your requirements.
There is no single clause or control level that fits every deployment. Set the terms in light of the service and the risks you need to manage. CSA lists security requirements and change management among the agreement topics. CSA AICMv1.1 auditing guidelines
4. Logging and monitoring access
Confirm which security-relevant logs or monitoring information the provider will make available, in what format, and under what access and retention conditions. Check whether the information is sufficient for your own incident investigations and oversight, and whether it can be exported or integrated into your monitoring process.
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CSA identifies logging and monitoring capability as a cloud-agreement topic. CSA AICMv1.1 auditing guidelines
5. Incident management and communication
Set out the process for incidents affecting the service or your data. The contract should clarify each party’s role, escalation contacts, the information the provider will share, and how updates will be delivered. Specify a notification deadline that works for the service and applicable law; the CSA guidance does not establish one universal deadline.
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CSA calls for incident-management and communication procedures to be addressed in the agreement. CSA AICMv1.1 auditing guidelines
6. Audit rights and independent assurance
Find out what independent assessment evidence you can receive, which services and controls it covers, how current it is, and how material findings and remediation are addressed. Clarify how you can access the evidence while respecting confidentiality and any limits on direct audits.
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Do not assume an assessment covers every service or control on which you rely. CSA lists both a right to audit and third-party assessment as agreement topics. CSA AICMv1.1 auditing guidelines
7. Subcontractors and supply-chain controls
Identify which subcontractors may process or access your data, how the provider will disclose them and communicate changes, and whether appropriate security and privacy duties flow down to them. Pay particular attention to providers whose role could materially affect confidentiality, availability or your compliance obligations.
CSA’s guidance discusses subprocessor disclosure and review of supply-chain obligations. CSA AICMv1.1 auditing guidelines
8. Privacy, data handling and operational resilience
Clarify the provider’s duties for handling data and its operational-resilience commitments. Make the expectations relevant to your service explicit, including continuity and recovery arrangements where they matter to your use. A named framework by itself does not establish a particular recovery outcome, so look for commitments that address what your business actually needs.
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CSA includes data privacy and operational resilience among the agreement topics. CSA AICMv1.1 auditing guidelines
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.9. Termination, portability and deletion
Plan for exit before you need it. The contract should specify what data and metadata you can retrieve, the format, how long retrieval remains available, and when and how the provider will delete remaining copies. Check whether transition assistance is covered if you will need it.
Confirm that the export path is practical for your requirements, not merely available in theory. CSA’s portability guidance highlights data format, storage duration, the scope of retrievable data and deletion policy. CSA AICMv1.1 auditing guidelines
How to compare cloud providers
When comparing services, use the same questions for each provider rather than relying on a general security rating. The CSA Cloud Controls Matrix is a cloud-security control framework; its current landing page describes 207 controls across 17 security domains. That figure describes the framework’s size, not a measured security outcome or a vendor ranking. CSA Cloud Controls Matrix
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- How specific are its security commitments, and which services do they cover?
- What incident communication process and evidence access does the contract provide?
- How transparent is the provider about subcontractors and service or processing locations?
- What resilience commitments are stated, and can you retrieve and delete data at exit on workable terms?
The CSA materials offer agreement topics and a control framework, not a universal scoring formula. You can also consult the CSA’s Security Guidance for related cloud-security material.
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