What are the security risks of assigning the Google Cloud Project Creator role?

Why the Google Cloud Project Creator role is a governance risk, not just an admin convenience

Project creation is an organisational boundary-setting action. If a principal can create projects freely, they can create assets, budgets, policies, and logs outside the intended control plane. That makes the role risky even when the creator is otherwise trusted, because governance is applied after the project exists, not before.

The practical issue is not only “can they make a project?” but “what review, ownership, and guardrails happen at creation time?”. If those controls are weak, project sprawl becomes a parallel environment where policy exceptions, billing confusion, and poor tagging accumulate faster than central teams can reconcile them.

When project creation is used for experimentation, automation, or temporary work, the role should be treated as a time-bounded capability rather than a standing entitlement. That distinction matters because the security outcome changes when the ability to create infrastructure becomes routine instead of exceptional.

How project creation becomes a path to shadow IT and policy bypass

A project creator can often spin up new resources before platform teams have visibility into the purpose, data classification, network posture, or access model. In practice, that means the first control that fails is often Google Cloud Security Guide style hierarchy and policy enforcement, because the new project may not inherit the intended constraints quickly enough or at all.

That gap creates a clean route to shadow environments. Teams may use them to bypass approved landing zones, to avoid shared billing structures, or to test services with looser controls than production. The security concern is less about the existence of a project and more about the possibility that sensitive workloads can begin life outside standard detection and governance.

This is also where monitoring becomes material. An unexpected project created by a user or automation account is not just an inventory event, it can be the start of an unauthorised environment that later receives secrets, service accounts, network access, or data.

Why billing, inventory, and access review all fail together

Project Creator can fragment chargeback and ownership because the billable unit becomes easy to multiply. That can obscure which team owns a workload, which budget should absorb it, and whether a project still has a legitimate business purpose. In mature environments, the project lifecycle must be tied to ownership metadata, approval evidence, and periodic review, otherwise cleanup becomes reactive and incomplete.

The access risk is similar. Once a project exists, it can become a container for additional IAM bindings, APIs, service accounts, and data resources. If the project was created outside a controlled workflow, downstream access reviews may miss it until much later. For teams that already rely on strong Google Cloud IAM practices, the sensible anchor is the Google Cloud IAM and Service Accounts Guide, because project creation only becomes safe when the new project inherits least privilege, ownership, and service account discipline immediately.

The same reasoning applies to auditability. A project that appears without context can be legitimate, but it should be easy to explain who created it, why it exists, what controls were applied, and what data or identities it now contains.

Risk and Threat Considerations

Uncontrolled project creation expands the attack surface by creating fresh cloud estates that may sit outside standard policy, logging, and review paths. It also increases the chance that an insider, compromised account, or overbroad automation identity can establish a hidden workspace and use it to host resources with weaker scrutiny.

Failure mechanism: A principal with project creation rights can establish a new boundary before governance controls, inherited policies, or security monitoring are fully in place, then use that project for undeclared resources, billing concealment, or policy bypass.

Impact: The result can be shadow IT, untracked spend, incomplete inventory, weakened access governance, and delayed detection of unauthorised workloads or data exposure.

Practitioner Guidance

What to verify: Confirm which users, groups, and automation identities can create projects, and whether that permission is constrained by folder, organisation policy, or approval workflow. If the role is granted broadly, treat that as a governance gap, not a convenience setting.

Decision rule: If a principal can create projects without a pre-approved business case, default owner, and inherited control baseline, remove the entitlement or wrap it in just-in-time approval. If project creation must remain open for engineering velocity, require compensating detection and post-creation review.

What to measure: Track unexpected project creation, orphaned projects, projects without clear ownership, and the time between creation and security baseline application. Those signals show whether the role is being used as intended or as a bypass mechanism.

Practitioner takeaway: The role is dangerous when it converts project creation into an ungoverned act, so the control objective is to make every new project immediately attributable, policy-bound, and observable.

Related resources from NHI Mgmt Group

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