The following article contains a brief analysis of the way of the creation of the Military Information Services (WSI) and the attendant geopolitical situation. National security is dependent on the ‘tools’ which that country uses. With the progress of socio-cultural, political, economic and military life it is required to continuously and effectively develop (adapt) these tools to the prevailing realities. One of these tools are the military special forces, which in modern Polish history frequently are accompanied by a crisis. Military Internal Service – WSW, were transformed in 1957 from Military Information. Military Information was acted as a counter-intelligence and military police but in fact it was the political police formation. Military Internal Service was disbanded in 1990 and from its second wing for investigate and safety task’s the Military Gendarmerie was created. Also the Third Directorate (Counterintelligence) were included to Second Directorate of Polish General Staff. In 1991 that new body was called the Military Information Services (WSI), which was disbanded in 2006. Under the Act of 9 June 2006 there were created separate structure of the Military Counterintelligence Service and the Military Intelligence Service. These services are subordinate to the Minister of National Defence. However, in 2015 the problem arose again with the special services. This article includes the following topics: Organization of the central apparatus WSI 1991; the legal provisions; the first official contacts with NATO.