Cisco Talos has been investigating sextortion-type attacks across the internet in the past few months. The emails claim to have explicit videos that they will distribute if the victim doesn’t pay the extortion payment by a certain time. By including the recipient’s password along with their demands for payment, the attackers hope to legitimize their claims about having compromising material concerning the victim. One unlucky victim from our dataset was contacted a staggering 354 times. In total, Talos identified 58,611 unique bitcoin wallet addresses associated with these two spam campaigns.”]
Source: https://blog.talosintelligence.com/2018/10/anatomy-of-sextortion-scam.html

