A bizarre warning is circulating on Facebook urging you not to change your profile picture to a giraffe.
It's a hoax - so please don't spread it, even if you think it's amusing: false alarms just make us collectively less likely to react when there really is a problem.
The New York Mets fan reportedly is being held in connection with tweeted threats that include sneaking into the clubhouse and putting bombs in everyone's cleats. If this is the work of a fan, who needs enemies?
Facebook temporarily banned decapitation videos in May after receiving complaints about the potential of long-term psychological damage from watching such horrific material, but has since quietly changed its stance.
Now, the world is their oyster. In new Facebook privacy changes, while the default setting for users aged 13-17 is to share information only with friends, they can now choose to post to the general public. Teens are free to share their embarrassing stories with the world, or, as privacy watchdogs see it, are now succulent morsels for marketers to slurp up.
The old search setting wasn't a cure-all for users who wanted to hide from search, but it's always sad to see a privacy tool completely trashed instead of being made stronger. Nonetheless, in coming weeks, the few who still had the "Who can look up your timeline by name" feature will lose it for good.
A German administrative court ruled that the way Facebook processes personal data of people visiting fan pages is not the responsibility of German companies. The ruling may let fan page owners off the hook, but it leaves wider issues around privacy issues up in the air, such as the basic question of whether Facebook itself is or is not violating privacy with its data collection practices.
He's got her name, plus three of her friends' names, tattooed on his chest. He wears a t-shirt, in public, printed with her face. And on Wednesday he was arrested again after tagging her photo on Facebook with the word "slut".
An elderly couple was physically and verbally abused and held at knifepoint in their home. A suspect has now been seized, thanks to the couple's granddaughter having posted a description publicly on Facebook that then went viral. Sounds good, but beware: viral manhunts like this can go very bad, very fast.
A £1 million ($1.6 million) London home has been redecorated with vomit-saturated furniture and other dubious items, all courtesy of 600 gatecrashers who showed up after a party was posted on Facebook with the toggle set to "public".
How do you fight facial recognition? You could always swap out your profile picture for that of your pet, or - this option just in - buy a T-shirt printed with creepily distorted faces of celebrity impersonators, designed to give Facebook's facial recognition technology a migraine.
In other words, all public Facebook posts ever made since the dawn of Facebook time are now searchable. If you haven't cleaned up your more embarrassing tracks already, now might be the time to lunge for the Activity Log.
It took students one week to dismantle the security keeping them away from online candy such as Twitter and Facebook. That leaves one very peeved school system, dismayed at the fact that its kids are smarter than the adults who tried to corral them into this dreary thing called "the curriculum." The verdict: No more iPads for YOU!
How do you copy fingerprints? Which is the most trustworthy browser? Who will use Facebook for payments? How long does an email address live?
Satisfy your curiosity with this week's 60 Second Security!
Power Ventures lured Facebook users into handing over access to their contact lists, then spammed everyone they knew with emails urging them to join their site. Now that Facebook has won its five-year legal battle, has it earned back some trust?