You may have arrived at this post because you received an email with an attached PDF from a purported hacker who is demanding payment or else they will send compromising information—such as pictures sexual in nature—to all your friends and family. You’re searching for what to do in this frightening...
It’s really not a hard screening algorithm: do I know this person, or have I done business with this company? OK, does the URL check out? Then I’ll respond to that person’s email or go log into that company’s website, not using a link from the message I received. Otherwise, it’s spam.
Also, there are no pictures of my dick online, or of me having sex. Anyone claiming otherwise doesn’t know me. Nice and easy.