SREDAY

Site Reliability, DevOps and Cloud

October 11, 2025 Ford, Chennai, India

1
Days
25+
Speakers
1
Tracks
200
Attendees

Kubernetes Under Siege: How Network Policies Defend Your Cluster

Sanket Bisne

This session is for SREs, DevOps engineers, and platform teams who want to strengthen Kubernetes security at the network layer. While cloud providers offer firewalls and service meshes, the last line of defense inside the cluster is Network Policies.

The talk balances concepts + live demos and provides a clear journey: starting from the “default open cluster,” then step-by-step applying Network Policies to enforce strict communication.

I will use Calico on GKE to illustrate examples, but the learnings apply to any Kubernetes distribution. The session ensures attendees leave with concrete policies they can apply to their workloads.

Sanket is a working as a Sr Devops Engineer at Lloyds Banking Group and He is a Google Developer Expert in GCP. He has worked as a cloud engineer at Searce (GCP Premium Partner) He is Google Cloud Champion Innovator in the category of Modern Architecture with Certified Kubernetes Administration (CKA) , 3X Certified in GCP and 1X in Azure . He has been helping small and mid sized startups to adopt and implement best practices in cloud and DevOps culture to fasten their software delivery process. He loves to integrate various GCP service like Vertex AI, Agents Development Kit, MCP servers,networking, compute, storage , containers, GKE etc, and likes to Implement various use cases. He loves to explore and deep dive into GCP services and also help community by creating content and writing medium blogs.

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