If the words "malicious tagging" mean nothing to you, then you're not alone. It's actually the process that scammers use in an all-new (and very clever) Facebook scam.
The scam was uncovered by security analyst Bogdan Botezatu late last month in a blog post for BitDefender. Here's how it works:
First, the victim sees a post linking a "video" with 20 of their friends tagged. The video can change, but the 20 tagged people doesn't.
Here's a post that victims might see:
Notice how there isn't an actual video link in the post. It links to a goo.gl URL, which is a URL-shortener that lets the scammer hide where the link is really directing you.