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• Psyllium and Kubernetes can be used to enforce network policies for microservices
• Least privilege security can be achieved by filtering HTTP requests and restricting API access
• L7 security policies can restrict access to required API resources
• Psyllium website provides resources and a helpful Slack community for beginners and contributors

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• Identifying the right networking requirements of individual workloads is challenging, and operationalizing the task across Dev, Sec, and Ops is not trivial.
• The MP Guard project proposes a flexible workflow for DevSec organizations to simplify the experience of creating and maintaining Kubernetes Network policies.
• The project aims to automate the generation of policies and integrate them into the application's CI/CD pipeline, ensuring that policies get updated whenever required cluster connectivity changes.
• The proposed network activity is presented to the DevOps team for review, and changes can be automatically updated.
• The resulting Kubernetes network policies become part of the GitOps process to provision Kubernetes clusters, helping organizations cross the Kubernetes network policy chasm.

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• Overview of Kubernetes architecture and components
• Using K8s Threat Matrix and MITRE ATT&CK for Containers to demonstrate attack phases
• Best practices for securing Kubernetes clusters
• Anecdote about a vulnerable Drupal web application used for modeling attacks