The Institute is an independent non-profit Bulgarian NGO, not linked to political parties, organisations or movements, as well as to religious or ideological denominations. Judicial person according to the Formal Register of Judicial Persons at Sofia City Court: Consignment 1496, Vol. 23, Ch.V, p. 121, based on Decision 1979 of Sofia City Court of 4 November 1994.
ISIS is listed among the 300 leading think-tanks world-wide in the 1999, 2002, 2005 and 2008 editions of the NIRA’s World Directory of Think Tanks, Tokyo, Japan; among the 500 leading strategic studies centres by the IISS, London in 1998. ISIS is not linked to any political party, movement, organization, religious or ideological denomination and is part of the ISN, member of the Consortium of the Defence Academies and Security Studies Institutes of the PfP countries, member of the Europe's World Journal Advisory Board. The Wisconsin University awarded the website of ISIS in October 1999 with the Scout Banner of Most Recommended Website in the Social Sciences. ISIS is member of the non-governmental Coalition for Reform of the Security Sector in Bulgaria and of the Bulgarian University Network for Security Studies. After 1994 ISIS became the meeting point and generator of conceptual thinking for civilian and military experts on security. ISIS was a leading institution in carrying out the following international projects (in the PfP Consortium of defence academies and security studies institutes and other formats):