User guide

Chapter 1: Overview
1-4
Low Level of Security
The total security level of an information system that contains multiple subsystems is equivalent to the
lowest security level of its subsystems. This means that even if a subsystem is equipped with an
advanced security function based on the latest security architecture, the advanced security function only
has an effect on the total system security when all other subsystems have been used within the
advanced system.
Effects of Single Sign-on
Interstage Single Sign-on can solve the problems associated with conventional information systems.
Improving User Convenience
Each user can access various Web systems and services securely by using a single pair user ID and
password.
Reduction of Operation Cost
The system management and maintenance that is required when users are added, changed, or deleted
because of personnel changes can be integrated. This means that the associated costs for system
management and maintenance can be reduced.
Reduction of Development Cost
The need for security function development for each system is also eliminated and this means that the
associated development costs can be reduced.
Realization of High Security Level
The level of security can be increased using an integrated method and as a result the total system can
utilize the latest security architecture that is available.