Firefox Will Warn Users When Visiting Sites That Suffered a Data Breach

An anonymous reader writes: Mozilla engineers are working on a notifications system for Firefox that shows a security warning to users visiting sites that have suffered data breaches. The notifications system will use data provided by Have I Been Pwned?, a website that indexes public data breaches and allows users to search and see if their details have been compromised in any of these incidents. Work on this project has only recently started. The code to show these warnings is not even in the F