The alert fired before a single customer noticed anything was wrong.
A small anomaly showed up in the system checks nothing customer-facing yet. The team got pinged with context and fixed it before it ever became a real outage.
→ The best incident is the one nobody outside the team ever hears about.
An alert fired for a scheduled maintenance window.
The monitoring didn't know a planned deploy was happening. False alarm, but it eroded trust in the alerts fast. Now it checks the maintenance calendar before it ever pages anyone.
→ An alert system needs context, not just a raw signal.
One quarterly number almost got double-counted across two reports.
Two dashboards were quietly tracking overlapping data. Caught before it went out now there's one source of truth the reports pull from, not two that can disagree.
→ A good number is only as good as the one place it actually comes from
Great catch before it shipped. I like the “one source of truth” framing - pulling reports from one validated source makes it much harder for a duplicate dashboard to quietly skew the number again.