Zero Trust in the Cloud: Designing Security Assurance at the Control Plane

Source: Cloud Security Alliance

Author: unknown

URL: https://cloudsecurityalliance.org/articles/zero-trust-in-the-cloud-designing-security-assurance-at-the-control-plane

ONE SENTENCE SUMMARY:

Cloud systems now prioritize control plane security for Zero Trust, emphasizing design-time security assurance, policy governance, and continuous validation.

MAIN POINTS:

1. Cloud systems are designed with policies and automation, shifting risks away from traditional runtime exploits.
2. Three planes of cloud systems: management, control, and data, with Zero Trust focusing on the control plane.
3. The control plane governs cloud resources using APIs, policies, and automation, redefining the security perimeter.
4. Attackers target the control plane for large-scale infrastructure manipulation and policy alteration.
5. Zero Trust in the cloud treats the control plane as the primary security boundary.
6. Cloud Security Alliance frameworks emphasize design-time security assurance through identity and policy.
7. CSA Cloud Controls Matrix and Secure Cloud Control Framework support control plane-focused security design.
8. Security assurance should be defined at design time, not inferred from runtime or network location.
9. Workload identities require narrow scope and least privilege permissions for limited timeframes.
10. Continuous verification and telemetry confirm alignment with intended security architecture and policy compliance.

TAKEAWAYS:

1. Redesign cloud security by prioritizing the control plane for Zero Trust architecture.
2. Define and enforce security assurance and access policies at design time.
3. Control plane acts as the primary security boundary, governing access and policies.
4. Continuous validation through telemetry ensures ongoing alignment with security intentions.
5. Support frameworks emphasize identity and policy as foundational controls for cloud environments.