The paper features some aspects of providing information security and business continuity to public administration by means of an integrated computer-aided management system OSCAD. The system is based on international standards ISO/IEC 270001 and BS 25999 (ISO 22301). First, the significance of information security and business continuity issues in public administration was presented along with a short introduction to the applied standards. Then the possibilities of the OSCAD system were discussed together with the examples how the system can solve the problems encountered by public administration.