Responsibilities and procedures

To meet the ISO/IEC 27017 “Responsibilities and procedures” requirement, you must assign clear incident-response responsibilities and document cloud-specific procedures that produce a fast, effective, orderly response to security incidents across both the cloud service provider and the customer. Operationalize it by defining roles, decision rights, notification paths, and joint runbooks, then proving they work through evidence.

Key takeaways:

• Define “who does what” for cloud incidents across provider and customer, including handoffs and decision points.
• Maintain cloud-specific incident procedures (triage, containment, forensics, communications) tied to your shared responsibility model.
• Keep audit-ready evidence: role assignments, runbooks, exercised playbooks, incident records, and post-incident improvements.

“Responsibilities and procedures” is where many cloud incident response programs fail in practice: each team has an incident plan, but nobody can explain cross-organization ownership, timing expectations, or what happens when the cloud provider controls the layer where the incident occurs. ISO/IEC 27017 Clause 16.1.1 pushes you to formalize management responsibilities and procedures that create a quick, effective, and orderly response to cloud security incidents, not only within one organization but across the cloud service provider (CSP) and the cloud service customer.

For a Compliance Officer, CCO, or GRC lead, the fastest path is to treat this as an operating model requirement. You are building a documented incident-response “contract” between internal teams and relevant third parties (your CSPs; and, if you are a CSP, your customers and subprocessors). Your output should look like: named accountable owners, cloud-specific runbooks, defined reporting and escalation paths, a tested cadence, and evidence that procedures are followed and improved.

This page gives requirement-level implementation guidance you can execute immediately, with the artifacts auditors ask for and the failure modes that drive findings.

Regulatory text

ISO/IEC 27017:2015 Clause 16.1.1 requires that management responsibilities and procedures are established so your organization can provide a quick, effective, and orderly response to information security incidents in cloud environments. ¹

What the operator must do:
You must (1) assign responsibility for incident response management and execution, and (2) document and maintain cloud-relevant procedures that work across shared responsibility boundaries (CSP vs customer), including detection, reporting, response coordination, and recovery. ¹

Plain-English interpretation

This requirement asks a simple exam question: “If something goes wrong in the cloud, who is in charge, what do they do, and how do they coordinate with the other party?” Your incident response program must not stop at an internal playbook. It must account for:

• Where the incident occurs (customer layer vs CSP layer).
• Who can take action (your team, the CSP, or both).
• How information moves (how you learn about CSP-side incidents; how you notify the CSP when your tenant is compromised).
• How decisions get made (containment tradeoffs, service disruption approvals, external communications).

If you cannot show defined responsibilities and procedures that are cloud-specific, you should expect findings even if you have a general incident response policy.

Who it applies to

Entity types

• Cloud service providers (CSPs): You must define internal responsibilities plus customer-facing procedures (how customers report incidents; how you communicate incident status; what you provide for investigation support). ¹
• Cloud service customers: You must define internal responsibilities plus procedures for engaging CSPs (support channels, escalation, evidence capture, tenant isolation steps) and clarifying shared responsibility expectations. ¹

Operational contexts where this becomes “real”

• Multi-cloud environments with different CSP support models and logging capabilities.
• Outsourced SOC/MSSP monitoring where detection and response ownership can blur.
• SaaS deployments where the provider controls infrastructure logs and forensic access.
• Regulated workloads where you need predictable incident comms, approvals, and evidence retention.

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

1) Define the cloud incident responsibility model (RACI + decision rights)

Create a responsibility matrix for incident types that matter in your environment, at minimum:

• Identity compromise (IAM, SSO, API keys)
• Data exposure or exfiltration
• Misconfiguration leading to public access
• Malware or cryptomining in cloud workloads
• Denial of service impacting availability
• CSP-managed service incident impacting your data/availability

For each incident type, assign:

• Accountable executive owner (who owns the outcome and approves high-impact actions)
• Incident commander (who runs the response)
• Technical leads (cloud platform, IAM, app, network)
• Comms lead (internal/external messaging control)
• Legal/privacy liaison (if applicable)
• CSP engagement owner (single-threaded owner for provider interaction)
• Evidence owner (chain of custody, log export, snapshots)

Also document decision rights: who can isolate a tenant, revoke keys, rotate secrets, take workloads offline, or approve customer notifications.

2) Write cloud-specific incident procedures (runbooks, not essays)

Your procedures should be executable. A good structure:

• Trigger criteria: what constitutes an incident vs alert.
• Triage steps: confirm scope, affected accounts/projects/subscriptions, data sensitivity.
• Containment options: key revocation, network segmentation, workload quarantine, disabling access paths.
• Eradication/recovery: rebuild patterns, golden images, re-deploy via IaC, restore data where applicable.
• Provider/customer coordination: when to open CSP tickets, escalation path, what to request (logs, service health, event timelines).
• Evidence collection: what logs and artifacts you must capture quickly (cloud audit logs, IAM events, storage access logs, snapshots).
• Communications workflow: who drafts, who approves, and what gets logged.

Make sure procedures explicitly address cloud constraints (limited host access, ephemeral compute, provider-controlled telemetry).

3) Integrate third parties into the procedure

Cloud incidents often require third party coordination beyond the CSP:

• Managed detection/response provider
• Incident response retainer firm
• Critical SaaS providers (email, CRM, identity)

Add a “how to engage” appendix:

• Contact methods and escalation
• Required information to provide
• Expected outputs (case ID, status updates, evidence package)

If you are a CSP, publish a customer-facing incident reporting and escalation procedure that matches your internal workflow so customers experience an orderly process.

4) Build the reporting and escalation paths

Document:

• Internal escalation tiers (SOC to IR lead to exec)
• CSP escalation path (support portal, severity model, account team)
• Customer notification path (if you are a CSP) or internal business owner notification (if you are a customer)

Include what must be recorded in the incident ticket: timestamps, actions taken, approvals, and communications.

5) Test the procedures and fix what breaks

Tabletop exercises should validate cloud-specific realities:

• Can you pull the logs you claim you rely on?
• Can you reach the CSP escalation contacts outside business hours?
• Can you execute containment without breaking production in uncontrolled ways?
• Do teams agree on responsibility boundaries?

Track gaps as corrective actions and update the runbooks.

6) Operationalize with tooling and workflow control

A procedure that sits in a document repository will not survive an incident. Convert it into:

• Ticket templates (required fields)
• Pre-approved response actions (where possible)
• Standard chat bridge/war room process
• Evidence collection checklists

Daydream can help here by turning your requirement into a controlled checklist of artifacts (RACI, runbooks, exercise records, incident tickets, post-incident actions) and keeping them continuously audit-ready without chasing screenshots the week before an assessment.

Required evidence and artifacts to retain

Auditors typically want proof of both design and operation. Keep:

• Incident Response Policy with cloud scope called out.
• Cloud Incident RACI / responsibility matrix with named roles (not only job titles).
• Cloud incident runbooks for key scenarios (IAM compromise, data exposure, misconfiguration, CSP outage).
• CSP/customer coordination procedure (engagement, escalation, communications).
• Incident ticket records showing actions, timestamps, approvals, and closure.
• Evidence packages (log exports, snapshots, forensic notes) or at least a documented index of where evidence is stored.
• Post-incident reviews with tracked corrective actions and owners.
• Exercise records (agenda, participants, outcomes, follow-ups).

Common exam/audit questions and hangups

Expect questions like:

• “Show me who is accountable for cloud incident response and how that differs from on-prem.”
• “How do you engage your CSP for security incidents? Who owns the relationship during an incident?”
• “Where are the procedures for misconfiguration or IAM key leakage?”
• “Prove you can collect the logs your procedure references.”
• “Show one closed incident and walk through the timeline, including approvals and communications.”
• “How do you handle incidents where the CSP controls the evidence?”

Hangups that drive findings:

• Role ambiguity between SecOps, CloudOps, and App teams.
• No written CSP escalation path, or it’s outdated.
• Procedures reference tools/telemetry you do not actually have enabled.

Frequent implementation mistakes (and how to avoid them)

• Mistake: copying an on-prem incident plan into a cloud folder.
  Fix: write runbooks around cloud-native control points (IAM, audit logs, storage policies, IaC rollbacks).
• Mistake: assuming the CSP will “take it from here.”
  Fix: document what you must do even when the CSP owns the layer, including tenant-side containment and communications.
• Mistake: no single incident commander for cloud events.
  Fix: assign an incident commander role and decision rights; test it in exercises.
• Mistake: procedures don’t specify evidence capture and retention.
  Fix: add an evidence checklist per incident type and make it part of ticket closure criteria.
• Mistake: third parties aren’t in the loop.
  Fix: document engagement steps for MSSPs, forensics firms, and key SaaS providers, including contacts and escalation.

Enforcement context and risk implications

No public enforcement cases are provided in the supplied source catalog for this specific ISO/IEC 27017 clause. Practically, gaps in responsibilities and procedures still create real exposure: slower containment, inconsistent communications, missed evidence, and unforced errors during executive decision-making. For regulated businesses, those operational failures often translate into reporting mistakes and audit findings, even when the root cause was a technical security event.

Practical 30/60/90-day execution plan

First 30 days (stabilize and assign)

• Name accountable owners: executive accountability, incident commander pool, CSP engagement owner.
• Draft the cloud incident responsibility matrix and get sign-off from Security, CloudOps, and Legal/Privacy.
• Inventory your CSPs and critical cloud-reliant third parties, and collect current escalation contacts.
• Identify top cloud incident scenarios based on your architecture (start with IAM compromise and data exposure).

Days 31–60 (document and integrate)

• Write cloud-specific runbooks for the highest-risk scenarios, with clear triggers, containment, and evidence steps.
• Map each runbook to the CSP shared responsibility model, including handoffs and what you request from the CSP.
• Implement incident ticket templates and required fields to capture approvals, comms, and evidence.
• Validate log availability for each runbook (what you can actually access and export).

Days 61–90 (prove it works and make it repeatable)

• Run a tabletop exercise for at least one cloud scenario that forces CSP/customer coordination.
• Close the gaps from the exercise: update runbooks, fix access issues, update contact paths.
• Establish a lightweight review cadence for keeping procedures and responsibilities current (org changes, CSP changes, architecture changes).
• Centralize artifacts for audit readiness (policy, RACI, runbooks, exercises, incident samples). Daydream can keep this evidence organized by requirement so you can answer audits without rebuilding the story each cycle.

Frequently Asked Questions

Do I need cloud-specific incident response procedures if I already have an enterprise IR policy?

Yes. This requirement expects responsibilities and procedures that work in cloud environments, including shared responsibility handoffs and CSP engagement. A general policy rarely covers cloud evidence access, tenant isolation, or provider escalation.

Who should own the relationship with the cloud provider during an incident?

Assign a single CSP engagement owner within your incident response structure, backed by an escalation path and documented procedures. That person coordinates the provider ticket, requests logs or timelines, and keeps the incident commander updated.

How do we handle incidents where the CSP controls the logs or forensic evidence?

Your procedure should state what you can collect directly, what you must request, and how you document request/response timelines. Treat CSP-provided artifacts as part of the incident evidence package and record custody and storage location.

What’s the minimum set of artifacts auditors will ask for?

Expect to show named responsibilities (RACI), cloud incident runbooks, at least one exercised scenario, and a completed incident record with timestamps, actions, and approvals. Keep these in a controlled repository with version history.

We use an MSSP for monitoring. Does that satisfy “responsibilities and procedures”?

Only if responsibilities are clear and documented across your team and the MSSP, including who declares an incident, who commands response, and how evidence and communications are handled. MSSP monitoring without defined decision rights often creates audit findings.

How do we keep procedures current as cloud services change?

Tie procedure review to cloud architecture change management and CSP contract changes, and assign an owner responsible for updates. Use a recurring check that validates contacts, logging prerequisites, and containment steps still work.

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