Security & Stability
Security incidents and unstable infrastructure are performance incidents: they increase latency, cause downtime, and introduce unpredictable behavior. This module covers practical hardening patterns (Cloudflare + server) that protect WordPress without creating regressions.
| Lesson | Description |
|---|---|
| Foundation | Security layers and where performance usually regresses |
| Correlation of Security | How attacks and bad traffic show up in performance metrics |
| Cloudflare WAF + LSCache Security | Layered rules without breaking caching |
| Fail2Ban + ModSecurity | Host-level and app-level protection patterns |
| DNS Failover Strategy | Reroute traffic safely during origin outages |
| Checklist & Cheat Sheet | Quick reference and verification |