An open-source policy library for MCP tool calls passed its own unit tests, then failed a real attack. What the bug was, why guards and databases disagree, and how to try the fix.
Ravindra Kumar10 Nov 2026
Follow one HTTPS request through an Internet Gateway, NACLs, security groups, an ALB, Istio and a NetworkPolicy, and see where each kind of bad traffic gets stopped.
Ravindra Kumar10 Nov 2026
A reference architecture for joining AWS and Google Cloud privately: IP planning, the three interconnect options, hub-and-spoke on both sides, hybrid DNS and security, with editable draw.io diagrams.
Ravindra Kumar9 Nov 2026
What actually happens when each Kubernetes probe fails, why liveness should almost never check your database, and when you need a startup probe.
Ravindra Kumar9 Nov 2026