Security Information Service

The Security Information Service, is the primary domestic national intelligence agency of the Czech Republic. It is responsible for collecting, analyzing, reporting and disseminating intelligence on threats to Czech Republic's national security, and conducting operations, covert and overt, both domestically and abroad. It also reports to and advises the Government of the Czech Republic on national security issues and situations that threaten the security of the nation.

The BIS headquarters is located in Stodůlky, Prague 5. The Security Information Service reports directly to the Government, Prime Minister and President of the Czech Republic and is overseen by the Permanent Commission of the Chamber of Deputies.