AUTHENTICATION BY FAMILIAR MEDIA FRAGMENTS

A method comprising using at least one hardware processor for receiving a plurality of media files captured in real-time by a sensor of a client terminal, wherein each of the plurality of media files comprises data captured from the environment surrounding the client terminal. The method comprises extracting a plurality of captured media fragments from the plurality of media files. The method comprises retrieving a plurality of random media fragments from a database. The method comprises sending the plurality of captured media fragments and the plurality of random media fragments to the client terminal or to a different client terminal, for presentation to a user in an arbitrary order. The method comprises receiving from the client terminal or the different client terminal a selection of the plurality of captured media fragments. The method comprises sending a user authentication to a secure server module based on the selection.