Federal Office for Information Security

The Federal Office for Information Security is the German upper-level federal agency in charge of managing computer and communication security for the German government. Its areas of expertise and responsibility include the security of computer applications, critical infrastructure protection, Internet security, cryptography, counter eavesdropping, certification of security products and the accreditation of security test laboratories. It is located in Bonn and as of 2020 has about 1,100 employees. Its current president, since 1 February 2016, is former business executive Arne Schönbohm, who took over the presidency from Michael Hange.

BSI's predecessor was the cryptographic department of Germany's foreign intelligence agency. BSI still designs cryptographic algorithms such as the Libelle cipher and initiated the development of the Gpg4win cryptographic suite.