https://www.bleepingcomputer.com/news/security/extortion-emails-on-the-rise-a-look-at-the-different-types/

Since 2018, a constant stream of extortion email scams have been targeting users with fake threats designed to scare you into sending a payment in bitcoins to avoid an embarrassing leak or threat of legal action.

These extortion emails are being sent through large spam botnets or through smaller campaigns undertaken by lone attackers.While more people have become aware of these attacks, the amount of extortion emails being sent out continues to trend upward as attackers continue to create new variants.