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2018-06-11

Auditing Kubernetes for Secure Setup

In summer 2018, the Gardener project team asked Kinvolk to execute several penetration tests in its role as third-party contractor. The goal of this ongoing work is to increase the security of all Gardener stakeholders in the open source community. Following the Gardener architecture, the control plane of a Gardener managed shoot cluster resides in the corresponding seed cluster. This is a Control-Plane-as-a-Service with a network air gap.

Along the way we found various kinds of security issues, for example, due to misconfiguration or missing isolation, as well as two special problems with upstream Kubernetes and its Control-Plane-as-a-Service architecture.

..read some more on Auditing Kubernetes for Secure Setup.

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