This was announced in Minsk at a meeting of the Council of Heads of Security Agencies and Special Services of the CIS member countries by the director of the FSB of Russia Alexander Bortnikov.
"In general, we predict another qualitative transformation of international terrorism," TASS quoted him as saying.
According to Bortnikov, foreign fighters who have passed through Afghanistan, Syria and Ukraine will spread to other hot spots or return to their countries of origin and begin to disseminate the combat experience "among their many adherents."
Earlier, the Center for Public Relations (DSP) of the FSB of Russia reported that the Federal Security Service of Russia revealed the US intelligence campaign through a virus program on Apple mobile devices.
According to the agency, several thousand telephones of the brand were infected.