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Enhancing Bitnami Helm Charts Security: A Kubescape Case Study

Introduction

CVEs get all the press when it comes to secure software supply chain, and for good reason: vulnerabilities in open source code cost the global economy billions of dollars per year. However, even the most secure applications with the best supply chain provenance can be accidentally misconfigured in such a way that leaves insidious security holes lurking in your environment.

Much of the value that Bitnami adds in packaging open source software is in the configuration. Our Helm charts, for example, are loved because they are very thorough in exposing the “knobs and dials'' that are unique to each open source application you deploy to Kubernetes. Developers and IT admins alike also appreciate that we are constantly checking and improving the default configuration we ship in our charts to ensure they are as secure as possible. That’s why, when we recently discovered an open-source Kubernetes security project called Kubescape, we saw an opportunity to thoroughly check our software against industry best practices and close any gaps that existed.