What do private and public breach types mean in compromised account in Elements Collaboration Protection?

Issue:

In compromised account, there's private and public as breach type shown in the detection detail page.
What do those breach types mean?
 

Resolution:

Private – Breach details are not publicly available on the internet. Attackers are selling for cryptocurrency on Tor forums ("dark web")

Public – Breach details are easily found on the internet. Attackers have shared publicly online e.g. forums for script kiddies, pastebin etc