Field Experience

Production war stories, incident post-mortems, and lessons learned from high-stakes environments.

6 case studies published

BGP Route Leak at a Provider

A route leak absorbed 40% of our outbound traffic. Diagnosis via RPKI and AS-PATH filter implementation in 45 minutes.

NFS to Ceph storage migration on a production Proxmox cluster, zero downtime. Lessons learned.

How a custom SIEM rule detected lateral movement following a successful phishing attack on a service account.

How we identified and resolved a BGP hijacking incident affecting 40% of traffic through proactive monitoring.

Critical migration success story: planning, tools used (CloudEndure), validation, and rollback management.

Analysis and resolution of performance issues on a production K8s cluster: network policies and CNI tuning.