Kubernetes Multi-Tenancy: Namespaces as a Service Without the Blast Radius
Running one cluster per team is simple and ruinously expensive. Sharing a cluster is cheap and terrifying, unless you isolate tenants deliberately. Multi-tenancy done right gives teams a self-service…
Rishabh Jain·Jul 14, 202622
SECURITY2 MIN
Runtime Security with Falco and Tetragon: Catching Attacks in the Act
Scanning images at build time tells you about known bad code. It says nothing about the compromised process spawning a shell in your payments pod at 2am. Runtime security watches actual behavior and…
Rishabh Jain·Jul 14, 202610
SECURITY3 MIN
Secrets Management with Vault: Stop Committing Passwords to Git
Hardcoded secrets are the vulnerability that never dies. They show up in Git history, in environment variables dumped to logs, in Slack messages, and in that one config file everyone forgot about.…
Rishabh Jain·Jul 14, 202600
SECURITY2 MIN
Zero Trust for Kubernetes: mTLS, Network Policies, and Workload Identity
A flat cluster network is a single compromised pod away from lateral movement across everything. Zero trust means every workload proves who it is and is allowed to talk to exactly what it needs,…
Rishabh Jain·Jul 14, 202600
SECURITY2 MIN
DevSecOps Pipelines Developers Will Not Bypass
Security that slows people down gets routed around, a skipped check is worse than no check because it looks green. The trick is to make the secure path the fast path: quick, actionable, and mostly…
Rishabh Jain·Jul 14, 202600
SECURITY2 MIN
Software Supply Chain Security: Sign, Attest, and Verify with Sigstore
You do not ship your code, you ship a graph of other people's code, built by a pipeline, pulled from registries you do not control. Supply chain security is about being able to prove where every…
Rishabh Jain·Jul 14, 202610
SECURITY1 MIN
Field Notes: Hardening Your CI/CD Pipeline
Your CI system has production credentials and runs arbitrary code from pull requests. Treat it like the crown jewels it is. The five changes that matter most Pin actions to a commit SHA, not a tag…
Rishabh Jain·Jul 13, 202611
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