Learning from October’s AWS US-EAST-1 Outage: Battle-Tested Resilience Patterns to Prevent Cascading Failures
1. Introduction: Why the October 2025 AWS Outage Caught Your Apps Off Guard
What if a single missing DNS record could bring your entire cloud stack to its knees? On 19 October 2025, exactly that happened—and it was no minor blip. At 11:48 PM PDT, a DNS record