https://www.fastly.com/blog/summary-of-june-8-outage · We experienced a global outage due to an undiscovered software bug that surfaced on June 8 when it was triggered by a valid customer configuration change. Here's a rundown of what happened, why, and what we're doing about it.
The day Amazon went down (at least partially) 😅
TLDR: A customer changed their config, this triggered a bug which took down their system 🤯