Securing Azure Container Instances and AKS with Defender for Containers

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Microsoft Defender for Containers offers a robust security solution for Azure Kubernetes Service (AKS) and Azure Container Instances (ACIs). In this blog post, we’ll walk you through the process of securing your containerized workloads.

What Defender for Containers Provides for AKS and ACIs

Defender for Containers provides advanced protection against threats in containerized environments. It offers features like automated vulnerability scanning, runtime threat protection, and threat investigation.

Enabling Defender for Containers in Defender for Cloud

To get started, enable Defender for Containers in the Defender for Cloud portal. You’ll need to create a new container registry and link it to your AKS or ACIs.

Fixing Container Image Vulnerability Alerts

Once enabled, Defender for Containers will scan your container images for vulnerabilities. You can review these alerts in the Defender portal and take action to remediate them.

Configuring AKS Admission Control for Image Scanning

To ensure that only secure images are deployed, configure AKS admission control to block vulnerable images. This can be done using the ‘AdmissionController’ custom resource definition (CRD).

Monitoring Runtime Threats in Containerized Workloads

Defender for Containers also provides runtime protection, allowing you to monitor and respond to threats as they occur.

Conclusion

Securing your Azure Kubernetes Service (AKS) and Azure Container Instances (ACIs) is crucial in today’s threat landscape. By leveraging Defender for Containers, you can ensure your containerized workloads are protected against both known and unknown threats.

If you’re looking to learn more about securing your IT infrastructure, check out our Microsoft Cloud Security Training.

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Written by Mohammed Akhter

Founder of ITP Training. 50,000+ students trained across 30+ countries in Microsoft endpoint and cloud security. Learn more →