Which tool in your stack you hate the most?

I’ll start…

I hate QRadar (Cortex XSiam or whatever).

It’s not that it doesn’t work, but man, navigating that interface feels like trying to solve a Rubik's Cube blindfolded while someone is asking you 17 unrelated questions. The rules are confusing, the alerts are vague, and half the time it feels like it’s just guessing at what’s happening. Debugging anything is an exercise in patience—and despair.