Facebook didn't immediately respond to a request for comment. Snopes, the fact-checking site, explains that the hoax appears to reference fears about "cloned" Facebook accounts, where would-be scammers copy the name, profile picture, and basic information from a real account to create a second, nearly identical account on Facebook. Then, they send a bunch of friend requests to the original account's friend list, to try to scam the person's unsuspecting friends into granting access to their personal information by accepting the request.
While account cloning is a real thing, the viral copy/paste message warning about it is likely not from a cloned account. If you got one of those messages, there are a couple of things you can do: First, check on your friend's account and make sure it's not a clone of their real account (if you search their name and find two completely identical accounts, that's a pretty good sign that one is a clone). And if you were messaged by a "clone" of your friend, then report that account to Facebook.
But chances are, based on a small sampling of my friends and colleagues, the messages are coming from your friend's real account, passed along to you on the wind of good intentions. In that case, simply ignore the message.
Still, what's strange is that people are (perhaps absentmindedly) sharing a message that includes the words "I actually got another friend request from you," even when they received no such fraudulent friend request.
Alarming, urgent messages have a way of going viral on Facebook, despite whether they are true. The messages are essentially the next generation of chain letters, purporting to provide important information - and dire consequences if not shared by the recipient. Earlier this year, a hoax claiming Facebook was about to restrict your news feed to 26 friends went viral thanks to well-intentioned users who copied and pasted the disturbing "news" to their own feeds. And there's the immortal copyright hoax. You know the one: the paragraph of legal-sounding text that people post to their Facebook feeds in a misguided attempt to prevent Facebook from taking over the copyright to everything they post.
These messages tend to go viral by tapping into real fears about the power of Facebook. The copyright hoax is, in part, a meme about what we post to social media, and what those companies do with that information. The 26 friends hoax came as Facebook announced some major changes to how it picked which posts to display in your news feed, leading to a lot of speculation and anxiety about how the company's algorithms choose what you see for you.
Similarly, the "you've been hacked" hoax spread in the wake of some real news about Facebook security: that 10s of millions of accounts were compromised by a massive hack. As the Post reported, users who were affected by that hack were forced to log out of their accounts as a security measure. Facebook also placed a message at the top of the news feed explaining what happened to the 50 million users whose information was compromised. That message was real.
