I do know your passwords (check this email subject for one of the I installed a malware on the adult (porn) website and guess what, you.
Adult Check, Inc. created and hosted one of the first and largest online age verification services. For a fee, customers bought an Adult Check password that unlocked hundreds of thousands of sites, and operators of these sites ( webmasters).
The FBI says in many sextortion cases, the perpetrator is an adult pretending to be . You can check your breached accounts on this database.