In August 2015, reflecting to the European migrant crisis, Boross claimed the mass immigration into Hungary is "issue of race and ethnicity". He also expressed his sympathy with the erection of the Hungarian border barrier. In October 2015, he added in an interview that it is "tasteless foolness" to compare the current situation with the Hungarian refugees after the Revolution of 1956. Boross told the current migrants are "with different physiognomy from different continents". Because of his remarks, the National Media and Infocommunications Authority (NMHH) has launched an investigation against Boross. The NMHH did not consider Boross' remarks as exclusionary thus terminated the authority procedure in the absence of infringement against the former prime minister in February 2016.