Syrian pro-government forces set up a road checkpoint next to a mural reading 'Islamic State' after they took control of the northern Syrian town of Maskanah from the jihadists in June 2017. AFP
Syrian pro-government forces set up a road checkpoint next to a mural reading 'Islamic State' after they took control of the northern Syrian town of Maskanah from the jihadists in June 2017. AFP

Isis' message thrives online after crushing defeat on battlefield, Europe's Globsec security forum hears