- Bundesamt für die Sicherheit in der Informationstechnik – BSI (Federal Office for Information Security)
- IT-Grundschutzhandbuch Mai 2002 / IT-Baseline Protection Manual (english version) IT Baseline Protection Manual October 2000 Recommended Measures to meet Medium-Level Protection Requirements (english version)
- IT-Grundschutzhandbuch Standard-Sicherheitsmaßnahmen Oktober 2000 des Bundesamtes für Sicherheit in der Informationstechnik
- Accredited Standards Committee X9
- BSi (British Standards Institute) BS7799
- Background FAQ on ISO/IEC 17799:2000 Information Security Management, Code of Practice for Information Security Management
- NIST Computer Security Resource Center (CSRC)
- The OpenGroup Security Forum
- "Federal IT Security Assessment Framework", Federal Chief Information Officers Council, November 2000
- ISF
- more Security Standards