In a twist on the usual Facebook newsfeed scams, this one appears as an event invitation, welcoming you to watch a Rihanna sex tape.
Security watchdog Graham Cluley from Sophos today (Feb. 28) alerted followers to the scam. He said Facebook's security team is blocking the links contained in the postings, but warned it's always possible that whoever is behind this scam could try to bypass that protection.
Past Facebook scams have also used singer Rihanna as the vehicle. A fake Rihanna "lesbian" tape scam that circulated in June 2011 took Facebook users to a site that tried to infect them with the infamous MacDefender malware. This new scam broke around the time Rihanna released a new music video, "Stay," featuring the singer naked in a bathtub. The intent of the malicious links is not known, but like with any scam, you should avoid clicking suspicious links, no matter how tempting they seem.
If you saw the post in your feed, but did not click on any of its links, you don't need to take any action. (And good job for staying safe on Facebook .) However, if you did click through, it's important to delete the post and any messages related to it that you sent to others. You can do this on your Timeline by opening "Activity Log" under your cover photo and then reviewing "All." Use the pencil icon to delete posts.