Cisco Talos revisited some of the largest sextortion campaigns we’ve seen since the beginning of 2019. The same attackers behind the “Aaron Smith” campaigns last year are behind these new efforts. Sextortionists have taken to designing their messages with the objective of improving their performance against anti-spam filters. They are using a combination of the username in comments, plain text letters and HTML character entities. Images of the body of the email are more complex than text, but the message itself is still as readable as it ever was.”]
Source: https://blog.talosintelligence.com/2019/04/sextortion-update.html