Field Notes / resilience-security

Resilience and security field notes

Reports about systems that fail under real constraints and the decisions that make recovery possible.

Scope boundary: This hub explains control and learning without publishing exploit-ready mechanics.

Inspectable proof

Layered DDoS Defense Beyond the CDN

How Cloudflare and a separate application-behavior layer protected a live platform during a large DDoS attack.

Read the case: Layered DDoS Defense Beyond the CDN

Every note in this hub

This list includes published English notes only.

  1. Resilience & Security

    The throughput target no customer needed

    A field report about sizing a system for a demand assumption that the business never forced itself to validate.

    The throughput target no customer needed

Follow new field notes