The enterprise pitch was simple: "Move everything to the cloud, pay the monthly fee, and enjoy 99.99% uptime."

Then today happened.

Microsoft 365 went dark for over 12 hours globally—locking Outlook, Teams, and Copilot. Simultaneously, Anthropic’s auth pipeline stalled, locking developers out of Claude Code.

If your company cannot run its core tools on local metal or isolated infrastructure, you don't own technology. You just rent someone else’s single point of failure :)

Originally published on Kürşat Yılmaz Technical Blog