Testkube blog

Security Testing in Kubernetes

May 24, 2023
6 min
Learn about the importance of security testing in Kubernetes. Automate testing, integrate security checks, and ensure the security of your Kubernetes deployments with Testkube.
Security Testing in Kubernetes
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In microservices architectures, vulnerabilities are no longer confined to a single codebase but can be distributed across multiple services. From a security perspective, we’ve filled our architecture with security mines - it’s not enough if a team follows a security standard, if another team doesn’t the entire chain is broken. This brings the need for new security testing methodologies in Kubernetes to address these issues.

This involves assessing the security of your Kubernetes deployment, including network configurations, access controls, and container security. By regularly conducting security testing, you can ensure that your Kubernetes clusters are as secure as possible, minimizing the risk of a successful attack.

Moving to Cloud Native Security Testing

As part of the transition towards cloud-native environments, tools like OWASP's Zed Attack Proxy (ZAP) and Trivy have become instrumental in identifying and mitigating security vulnerabilities. ZAP is an open-source web application security scanner, providing a suite of tools that aid in the identification of potential security threats in web applications during the development and testing phase.

In a cloud-native environment, one of the key challenges is to secure communication between the various microservices. Here, ZAP proves to be invaluable. It can be used to actively scan the communication protocols and detect vulnerabilities that could be exploited. Additionally, it can passively scan traffic to identify potential security threats, making it a crucial tool in the continuous monitoring of security in a cloud-native landscape.

Testkube: Integrating your Security Tests in Kubernetes

If you’re looking to start your Security Testing in Kubernetes, you might be considering some of the main things you want to cover: automating these tests, running them securely and more. At Testkube we have worked on most of these issues so you can have a painless road to start your Security Testing (and frankly any sort of testing) in Kubernetes.

Testkube is a tool designed to simplify and automate the testing process for Kubernetes deployments. It allows teams to bring their existing tests, manage, and execute them in Kubernetes. Testkube's capabilities extend to security testing as well, providing a vital tool in maintaining the security of your Kubernetes clusters.

Here's how Testkube can help set up teams for effective security testing:

Automated Testing: Testkube reduces the manual effort required to maintain security. It enables teams to run tests regularly, ensuring constant vigilance over the security of their Kubernetes deployments.

Seamless Integration: Whether you're using Github Actions for continuous integration, OWASP ZAP for security testing, or (literally!) any other testing tool, Testkube can be readily incorporated into your existing workflow. This integration makes it easier for teams to adopt Testkube, as they don't have to upend their current processes or learn entirely new tools.

Integrated Security Checks: With Testkube, you can integrate security checks into the broader testing process. This means that security testing can be part of the continuous integration/continuous deployment (CI/CD) pipeline, ensuring that any changes or updates to your Kubernetes application don't introduce new vulnerabilities.

Simplified Troubleshooting: When a test fails, Testkube provides detailed reports, enabling teams to pinpoint the source of the failure. In the case of security testing, this means identifying potential vulnerabilities and addressing them swiftly.

Testkube Dashboard gives you an overview of the state of testing in your Kubernetes cluster


As cloud-native environments become the norm, security testing must evolve to meet new challenges. Tools like OWASP ZAP and Testkube are critical in this evolution, providing comprehensive vulnerability detection and streamlined security testing within Kubernetes deployments. ZAP actively and passively scans communication protocols between microservices, while Testkube automates and integrates security tests into existing workflows. By continuously employing these tools, teams can proactively address vulnerabilities, mitigating risks in their cloud-native applications and ensuring their integrity and protection.

Give it a go

Why not give it a go yourself? Sign up to Testkube and try one of our examples or head over to our documentation - if you get stuck or have questions, we’re here to help! Find an answer to your questions in the Testkube Knowledge Base or reach out to us on Discord. We’re eager to hear how you use our integrations!