Cairo - Dr. Nourhan El-Sheikh, Professor of Political Science at Cairo University, said that the so-called Islamic State (IS, also known as ISIS, Daesh in Arabic) group will begin to intensify its terrorist atacks in the coming period, not just during the holy month of Ramadan. El-Sheikh explained that concerning European countries, ISIS will execute its terrorist operations during Summer vacations there, usually in the months of July and August of every year, which are times of major gatherings. In an exclusive statement to Al-Bawaba News Portal, El-Sheikh explained that ISIS has drawn up a new strategy based on the ‘lone-wolves terrorists' to target the largest amount of crowds, and to inflict the greatest number of fatalities possible.