Maybe in the future it will, but it uses Have I Been Pwned. From the FAQ[0]: How does Firefox Monitor know I was involved in these breaches? Firefox Monitor g

Maybe in the future it will, but it uses Have I Been Pwned. From the FAQ[0]: How does Firefox Monitor know I was involved in these breaches? Firefox Monitor gets its data breach information from a publicly searchable source, Have I Been Pwned. If you don’t want your email address to show up in this database, visit the opt-out page. [0] https://support.mozilla.org/en-US/kb/firefox-monitor-faq#w_how-does-firefox-monitor-know-i-was-involved-in-these-breaches https://support.mozilla.org/en-US/kb/firefox-monitor-faq#w_h...