Security architecture and operations

Cloud Security Architecture and Governance

Cloud security architecture and governance establishes how your cloud environments should be configured and controlled, which responsibilities remain yours under the shared responsibility model, and how configuration is kept correct as the environment changes.

Schedule a Confidential Consultation What you receive

At a glance

Part of
The design and running of the controls a strategy depends on.
Engaged as
A defined piece of work, or as part of an ongoing vCISO engagement.
Sits under
Executive ownership of the cybersecurity program.

Timing

When organizations engage this

  • A migration is planned and the security design has not been settled.
  • Nobody can produce a current inventory of cloud accounts, workloads or administrative access.
  • A customer questionnaire or audit asked specific questions about cloud configuration and encryption.
  • A misconfiguration was discovered, publicly exposed storage, an over-permissive role, an unmonitored account.
  • Costs or environments have grown to the point where nobody has the whole picture.

What you receive

  • Cloud environment and account inventory with administrative access mapped
  • Target security architecture with a prioritized remediation plan
  • Written shared-responsibility boundary for each platform in use
  • Configuration baseline and governance process

Why this comes up

Cloud environments accumulate. A platform is adopted for one project, extended for another, and configured by whoever was available at the time. Two years later nobody can say with confidence which accounts exist, what is exposed to the internet, or who holds administrative access.

The shared responsibility model makes this consequential. Providers secure the platform; configuration, access and data handling remain with the customer, and that is where most cloud incidents originate.

The service

What this engagement is

Who it is for

  • Organizations whose cloud footprint grew project by project without an overall design.
  • Companies that cannot currently produce an accurate inventory of cloud accounts and administrative access.
  • Businesses migrating a significant workload and wanting the security design settled before, not after.
  • Leadership teams whose customers or auditors have started asking specific cloud configuration questions.

A review of how your cloud environments are structured and governed, followed by a target architecture and the controls needed to hold it, identity and access, network exposure, logging, encryption, and the separation between production and everything else.

Governance matters as much as the design. Cloud platforms change continuously, and an architecture that is correct at handover but has no mechanism to stay correct will drift within months.

Scope

What Heights does

  • Environment and account review

    What exists, who administers it, how environments are separated, and what is reachable from the internet.

  • Shared responsibility clarification

    A written statement of what your provider secures and what remains yours, the boundary most commonly misunderstood.

  • Identity and network design

    How access is granted and revoked, how privileged operations are controlled, and how workloads are segmented.

  • Logging, monitoring and encryption

    What is recorded, where it goes, how long it is kept, and how data is protected at rest and in transit.

  • Configuration governance

    How the environment is kept in its intended state as it changes: baselines, review, and who approves an exception.

Alignment

Frameworks this work touches

Establishing which of these apply to you

NIST CSF
A widely used structure for organizing a security program around outcomes rather than products. Its current version adds an explicit governance function, which is why it maps well onto executive-level work.
ISO 27001
An international standard for an information security management system: the governance, risk treatment and continual improvement processes around security, rather than a fixed control list.
SOC 2
An examination performed by a licensed CPA firm against the AICPA trust services criteria. Security is always in scope; availability, confidentiality, processing integrity and privacy are added when relevant.
HIPAA
The HIPAA Security Rule requires administrative, physical and technical safeguards for electronic protected health information, including a documented risk analysis and risk management process. The Breach Notification Rule sets defined duties and timelines once a breach is discovered. HITECH extended enforcement and applies obligations directly to business associates.
PCI DSS
Prescriptive control requirements imposed through payment brand agreements wherever cardholder data is stored, processed or transmitted. Scope reduction is usually the highest-leverage decision available.

Architecture decisions are trade-offs between security, cost and delivery speed, and they belong with somebody accountable for the whole program. A vCISO sets the direction the design serves and keeps it aligned as the environment grows.

Read about vCISO leadership

Getting started

How an engagement begins

The same three steps whichever service you start with.

  1. A confidential conversation

    What prompted the enquiry, what you are obliged to do, and what leadership is being asked to answer for. No cost, no obligation.

  2. Scope agreed in writing

    What Heights will do, what stays with you, the working rhythm, and how progress will be reported.

  3. Work begins

    Delivered by your team, your providers or Heights, with expectations and acceptance criteria stated up front.

Questions we are asked about this

Broader questions about executive security leadership are answered on the vCISO page.

Is our data secure because our cloud provider is certified?

A provider's certification covers the provider's responsibilities, the physical infrastructure, the hypervisor, the platform services. It does not cover how you configure those services, who you grant access to, or what you do with the data.

Most cloud incidents originate on the customer side of that boundary, which is why establishing it in writing is usually the first piece of work.

Do you work with a specific cloud platform?

The architecture and governance principles are the same across the major platforms; the implementation detail differs. The work adapts to what you already run rather than steering you toward a particular provider.

Where multiple platforms are in use, the governance question is usually more important than any single platform's configuration.

Does Heights implement the changes or design them?

Either. Some organizations want the design and remediation plan and will execute it with their own team or their existing provider; others want Heights to coordinate the implementation.

Where your provider does the work, the design gives them a clear specification and gives you a basis for confirming it was met.

Talk through Cloud Security Architecture and Governance with us.

Tell us what prompted the enquiry and what the organization is working toward. You will get a straight view of the right scope, including when that is smaller than you expected.