The Amazon Web Services outage in October 2025 took down Slack, Zoom and Snapchat. In a widespread disruption, your first problem is not customer communication. It is internal coordination. When access to cloud providers, SaaS tools, and online services is partially or fully disrupted, most SaaS companies discover that their
Introduction: How this guide is meant to be used (read this first) 1. Communication when everything is down 2. Identity and access survival 3. Define Minimum Survivable Service (MSS) 4. Vendor, supply chain, and platform dependencies 5. Data preparedness 6. Infrastructure exit strategy 7. Banking, finance, and financial continuity 8.
For more than a decade, companies have built on the assumption that major cloud providers are effectively permanent utilities: always available, globally reachable, and politically neutral. In the past months, each of those assumptions has been challenged. On November 18th 2025, Cloudflare suffered a global outage that briefly broke a