Information transfer policies and procedures

ISO/IEC 27017 Clause 13.2.1 requires you to have formal, documented policies, procedures, and controls that protect information whenever it is transferred using any communication method in a cloud environment. To operationalize it, define approved transfer channels, mandate encryption and authentication, assign ownership, and keep evidence that transfers are controlled, monitored, and reviewed. ¹

Key takeaways:

• Your “information transfer” scope must cover every channel: API, email, file sharing, remote admin, backups, and third-party exchanges.
• Auditors look for enforceable controls (configuration + monitoring), not policy text alone.
• Evidence matters: standards, technical baselines, logs, exceptions, and periodic reviews.

“Information transfer policies and procedures” sounds like a documentation task, but ISO/IEC 27017 expects operational control over how data moves across cloud services, on-prem systems, endpoints, and third parties. Clause 13.2.1 is broad by design: if information leaves one trust boundary and enters another through any communications facility, you need rules and controls that protect confidentiality, integrity, and availability during that transfer. ¹

For a CCO, GRC lead, or security compliance owner, the fastest path is to treat this as a “secure data movement standard” supported by enforceable technical guardrails. That means you define what channels are allowed, which protections are mandatory (encryption, authentication, integrity checks), and how exceptions work. Then you prove it with artifacts: configurations, logging, DLP rules, key management evidence, third-party contract clauses, and transfer approvals.

This page gives requirement-level implementation guidance you can put into production quickly, with exam-ready artifacts and common audit hangups to preempt.

Regulatory text

Requirement (verbatim): “Formal transfer policies, procedures and controls shall be in place to protect the transfer of information through the use of all types of communication facilities in cloud environments.” ¹

Operator interpretation: You must (1) document how information is allowed to be transferred, (2) define procedures people and systems follow, and (3) implement technical/administrative controls that actually protect the transfer across all communication methods used in your cloud environment. Auditors will test that the policy is implemented and consistently followed, especially for transfers that cross organizational boundaries (third parties), network boundaries, or service boundaries. ¹

Plain-English interpretation (what the requirement means)

You need a clear set of rules for moving data from point A to point B, plus guardrails that enforce those rules.

“In any communication facility” includes, in practice:

• APIs between services and tenants
• SFTP/FTPS and managed file transfer
• Email and email forwarding
• Browser-based file sharing links
• Cloud object storage sharing (pre-signed URLs, public buckets/containers)
• Remote administration channels (SSH, RDP, bastions)
• Messaging/queues and event streams
• Backups, replication, and exports
• Transfers to/from third parties (processors, sub-processors, consultants, customers)

Your controls must address: authorization (who can send/receive), confidentiality (encryption), integrity (tamper protection, signing/hashing where appropriate), traceability (logging), and governance (approvals and exceptions). ¹

Who it applies to

Entity types:

• Cloud Service Providers (CSPs): You control platform-level transfer mechanisms (APIs, admin access, tenant-to-tenant segregation, support access) and must define how customer and internal data transfers are protected. ¹
• Cloud Service Customers: You are responsible for how your organization transfers data into, out of, and within cloud services, including transfers involving third parties and your own users. ¹

Operational contexts where it’s commonly tested:

• Data exports from SaaS platforms (admin-initiated exports, scheduled reports)
• Integrations (iPaaS, webhooks, partner APIs)
• Support workflows (logs, screenshots, database extracts shared for troubleshooting)
• M&A or cross-entity sharing (new affiliates, shared tenants)
• Developer workflows (test data movement, CI/CD secrets and artifacts)

What you actually need to do (step-by-step)

1) Build a transfer inventory (start with reality, not aspiration)

Create a living inventory of “information transfer paths,” including:

• Source system → destination system
• Transport/channel (API, email, SFTP, object storage link, VPN, etc.)
• Data classification (public, internal, confidential, regulated)
• Owner (system owner + business owner)
• Third parties involved (including sub-processors)
• Required protections (encryption, authN/authZ, integrity, logging)

Practical tip: If you can’t inventory everything immediately, start with the highest-risk paths: anything involving regulated/confidential data, external recipients, or bulk exports.

2) Write the policy as enforceable rules (not a narrative)

Your “Information Transfer Policy” should read like a control standard:

• Approved channels by data type (e.g., confidential data must use managed file transfer or approved secure sharing; prohibit personal email)
• Encryption requirements for data in transit and key management expectations
• Identity requirements (SSO, MFA for admin transfers, service account controls)
• Integrity requirements where relevant (checksums, signing for packages, immutability for logs)
• DLP and content controls for user-driven transfers
• Third-party transfer requirements (contract terms, secure endpoints, breach notification expectations)
• Exception process (risk acceptance owner, compensating controls, expiration)

This is where many programs fail: they publish “be secure” language that can’t be tested.

3) Define procedures by transfer scenario

Turn the policy into runnable procedures for common flows:

• Sending data to a third party (due diligence check, secure channel selection, encryption verification, approval, retention limits)
• Receiving data from a third party (malware scanning, quarantine, validation, import controls)
• Support data sharing (redaction rules, time-limited access, approved repositories)
• Bulk export or migration (approvals, monitoring, post-transfer validation, secure deletion at source if required)
• Emergency transfer (who can authorize, how to log, how to close out)

Keep procedures short and role-based. A two-page runbook used by teams beats a twenty-page document nobody follows.

4) Implement technical controls that match your policy

Map each approved channel to enforceable configurations, for example:

• API transfers: require TLS; restrict tokens; rotate secrets; restrict egress destinations where feasible.
• File transfer: managed SFTP/FTPS with strong authentication; disable anonymous/public sharing; enforce expiration on links.
• Email: enforce DLP policies for sensitive data; block auto-forwarding to external domains if needed.
• Cloud storage sharing: prohibit public access; enforce private-by-default; monitor for public ACLs; require time-bounded sharing.
• Remote administration: force jump hosts/bastions; MFA; session logging.

Auditors will ask how you know the control works. If enforcement is “training,” expect findings.

5) Add monitoring, detection, and review

You need ongoing oversight:

• Centralize logs for transfer-relevant systems (file access, API calls, admin exports, share link creation).
• Alert on high-risk events (public sharing enabled, large exports, unusual destination domains, new integrations).
• Review exceptions and transfer inventory changes on a regular cadence aligned to your governance process.

6) Connect transfers to third-party risk management

When transfers involve third parties:

• Document the transfer path in the third party’s due diligence record.
• Ensure contracts cover secure transfer expectations and incident reporting.
• Validate onward transfer/sub-processing is understood and controlled.

Where Daydream fits: If you manage many third parties and integrations, Daydream can centralize third-party transfer pathways, contract evidence, security reviews, and exception tracking so transfer risk is visible and auditable in one place.

Required evidence and artifacts to retain

Keep artifacts that prove both design and operation:

Core governance

• Information Transfer Policy (approved, versioned, owner assigned)
• Procedures/runbooks for common transfer scenarios
• Scope statement (cloud services, environments, and communication channels covered)
• Exception register (approval, compensating controls, expiration, closure evidence)

Technical proof

• Configuration baselines/screenshots or exported configs for: encryption settings, sharing settings, DLP rules, email controls, API gateway policies
• Key management evidence relevant to transfer encryption (where applicable)
• Sample logs showing: transfer events, admin exports, link creation, remote admin sessions
• Monitoring/alert rules related to transfer risks and example alerts/tickets

Operational proof

• Transfer inventory (system-to-system and third-party flows) with owners
• Evidence of periodic review (meeting notes, sign-offs, tickets)
• Training/acknowledgement for users with transfer responsibilities (support, engineering, IT)

Common exam/audit questions and hangups

Expect auditors to probe these areas:

• “All types of communication facilities” coverage: Show you considered email, APIs, file sharing, remote access, and cloud-native sharing. ¹
• Proof of enforcement: “Is this a policy, or is it actually configured?” Bring config evidence and logs.
• Third-party transfers: “How do you control and approve data sharing with third parties?” Show your intake/approval workflow and contracts.
• Exceptions: “How do you prevent permanent exceptions?” Show expirations and closure.
• Support access and troubleshooting: High-risk because teams move data quickly under pressure. Show a safe support procedure.

Frequent implementation mistakes (and how to avoid them)

1. Mistake: policy only covers network encryption.
   Fix: include user-driven transfers (email, sharing links), admin exports, and third-party exchanges.

2. Mistake: no owner for transfer paths.
   Fix: assign a system owner and a business owner per transfer path; make inventory updates part of change management.

3. Mistake: “secure transfer” is defined as “use TLS,” full stop.
   Fix: require authentication strength, authorization review, logging, and link expiration for sharing-based transfers.

4. Mistake: exceptions become the default.
   Fix: require compensating controls, expiry dates, and periodic review; remove stale exceptions aggressively.

5. Mistake: third-party transfer happens outside TPRM.
   Fix: tie new integrations and data sharing to third-party onboarding and contract review.

Risk implications (why this control fails in practice)

Uncontrolled transfers create two persistent risks:

• Data disclosure risk: accidental public sharing, misdirected recipients, overly broad API tokens, and uncontrolled exports.
• Integrity/traceability gaps: inability to prove what was transferred, to whom, and under what authorization.

ISO/IEC 27017’s wording is intentionally broad to force you to cover modern cloud transfer patterns, not just legacy “file transfer” thinking. ¹

Practical 30/60/90-day execution plan

First 30 days (Immediate: define and contain)

• Stand up a transfer inventory template and populate the highest-risk transfer paths (bulk exports, third-party sharing, support workflows).
• Publish an interim Information Transfer Policy with: approved channels, minimum encryption/auth requirements, and an exceptions process.
• Implement quick guardrails: disable public sharing defaults where feasible, restrict admin exports to limited roles, and turn on centralized logging for transfer events.

Days 31–60 (Near-term: enforce and document)

• Convert policy into procedures for: third-party sharing, support data handling, bulk exports, and inbound files.
• Implement DLP or content controls for common user channels (email and file sharing) aligned to classification.
• Create an evidence pack: configs, sample logs, exception register, and a mapping of channels to controls.

Days 61–90 (Ongoing: mature and prove)

• Expand inventory coverage to remaining systems, including developer tooling and integrations.
• Add monitoring alerts and a repeatable review workflow (exceptions, new transfer paths, and periodic access reviews for export permissions).
• Integrate transfer reviews into third-party onboarding so new data sharing cannot bypass due diligence; manage this workflow in a system like Daydream if you need audit-ready tracking across many third parties.

Frequently Asked Questions

Do we need a separate policy for every transfer method (email, API, SFTP)?

No. One information transfer policy is fine if it clearly defines rules per channel and data classification. You do need procedures or standards that make each major transfer scenario repeatable and testable.

What counts as a “communication facility” in cloud environments?

Treat it broadly: any mechanism that moves information between systems or parties, including APIs, cloud sharing links, email, remote admin sessions, messaging systems, and third-party integrations. The clause explicitly expects coverage of all types. ¹

Is encryption in transit enough to meet the requirement?

Encryption is usually necessary, but auditors also expect controls around authorization, authentication, logging, and monitoring. The requirement calls for policies, procedures, and controls, not one technical setting. ¹

How should we handle exceptions for urgent data transfers?

Allow exceptions, but force explicit approval, define compensating controls, and require an expiration/closure step. Keep an exception register and show evidence that exceptions are reviewed and removed.

What evidence is most persuasive in an audit?

A tight evidence pack: the policy, scenario procedures, configurations that enforce the policy, logs showing controlled transfers, and a current inventory of transfer paths with owners. Exceptions with expirations and closure evidence reduce findings.

How do we govern transfers to third parties without slowing the business?

Pre-approve a small set of secure transfer methods and publish “approved patterns” for common cases (e.g., SFTP with managed identities, secure share links with expirations). Track third-party transfer paths and approvals in a workflow tool so business teams don’t invent new channels ad hoc.

Footnotes

1. ISO/IEC 27017:2015 Information technology — Security techniques — Code of practice for information security controls based on ISO/IEC 27002 for cloud services