When you submit your email after the breaches list there's this notice "Breach data provided by Have I Been Pwned", so I guess it's a joint effort.
> Breach data provided by Have I Been Pwned
I love that it's a visually engaging and simple way of showing breaches. It's going to be a lot easier to share this with family, then get them on a password manager.
So why is Mozilla running an email harvesting campaign?