In recent years, in connection with a massive expansion of the number of fake profiles on social networks environment, the need to look for methods that allow you to distinguish the fake from the real information has been increasing. One of the methods to identify false photo from the "modified one" or even "fake one" is the use of EXIF metadata specification.
Cyber bullying is in today´s society perceived as a topic associated with pubescent and adolescent young people, only minimum of discussed cases are adults. Although cyber bullying of adults really exists, it is only little discussed and employers try to cover up these cases, in order not to discredit the institution where these cases take place.
Forms of cyberbullying focused on teachers have undergone changes in recent years, cyberbullying is not only linked with social networks, blogs or common Internet services, but attackers have been increasingly starting to use simple services especially popular among the young generation, such as server services www.ask.fm.
Very dangerous phenomenon, which we have seen in the last few months on Czech and international social networks and within common communication tools based on instant messengers (ICQ, Skype) are fake videos that are projected to chosen victims (children or adults) instead of real stream from a webcam. The risk of misuse of this technology is really high due to the low awareness. You can judge the way the records are believable.