Cyber crime has now penetrated almost to all social media, but when compared with other social media, facebook is the most dangerous. Many users upload personal data such as birthdate, photo, family relationships, etc. Date of birth can be an opening gate for cyber criminals who want to know financial information, such as your bank account. Today's users can broadcast live daily activities, this is very dangerous, such as if the user is publishing the condition he is on vacation, indirectly he tells the villain that the user's home is uninhabited, perhaps indirectly the villain was looking at his post was trying to steal or commit a crime in his home or could have come to the user with bad intentions, as we know, our followers on facebook very much and most are people we do not know at all.