Accidents happen! This one is from a Financial Times article called "The horror of the work blunder":

One software developer described how he felt after accidentally wiping a database. "I had one of those moments where you hear screaming and wonder where it's coming from only to realise you are the one doing the screaming. That got people's attention and started the ball rolling.

If you've worked in tech long enough, you have several such stories.

What are your favorites?

And, more importantly, what lessons did you learn? What new policies and risk controls did you implement as a result?