You can imagine the repercussion on privacy, it’s not a mystery that social networks like Facebook are a privileged tool for cyber espionage, in the past, I have discussed “ Social Media use in the Military Sector” explaining how to use it for PSYOPs operations. With this technique is possible to view the Facebook CEO Mark Zuckerberg even if he doesn’t share his friend’s list, neither an attacker is on his friend’s list. The extension is able to discover these mutual relationships and exploit them in an iterative way. “ Facebook user, whose friends list you want to target, must have at least one mutual friend with you, and doesn’t matter if you are friends with him/her or not.” The problem for the user’s privacy and security is that it is already available a Free Chrome extension called “ Facebook Friends Mapper” that can exploit the flaw to allow to view the hidden friends list in “ just one click.”

The issue resides in the Facebook’s mutual-friends feature concept, which has been in controversies in the past, raising privacy concerns.The issue resides in the Facebook’s mutual-friends feature concept, which has been in controversies in the past, raising privacy concerns.

Even if the user decides to make the friends list invisible anyone can see it. The issue resides in the Facebook’s mutual-friends feature concept, which has been in controversies in the past, raising privacy concerns. Unfortunately, there is a flaw in Facebook that doesn’t allow to completely hide information of the user’s profile, including the friend’s list.

There is an option in Facebook that allows the user to set the visibility of his friend’s list to “ Only Me“, the settings allow users to keep the friend’s list hidden from other Facebook users, including users’ own friends. Users can decide to completely set as private the information in a way it results invisible to other users, even to the user’s friends. Hackers have a new tool in their arsenal dubbed Facebook Friends Mapper that allows them to crawl Facebook Hidden Friends list just in a click.įacebook users can protect their privacy by setting the “privacy level” for every information related their profile or content they post online.

How to use facebook friend mapper