Belief in past success makes one invulnerable to failure • It’s a cliff - don’t fall off - recovery is EXPENSIVE • Crisis will often cause the fall • Limit what is moved to Obvious; highly vulnerable

environment. Production failure rate: how often software fails during production. Mean-time to recovery: how long it takes applications in the production stage to recover from failure. Key Principles

Enable working towards shared goals ii. See problems as they occur iii. Enable quick detection & recovery iv. Ensure features operate as intended and achieve organizational goals 2. Ch. 14 – Create Telemetry

with our deployment pipeline iv. Integrate security with our telemetry for better detection and recovery v. Protect our deployment pipeline vi. Integrate our deployment activities with our change approval