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Infotech Home > Resources > System Security & Reliability > System Reliability > Principles of a Reliable System

Principles of a Reliable System

A reliable system has been defined as one that is capable of operating without material error, fault, or failure during a specified period in a specified environment. The SysTrust Service relies on four principles to define a reliable system: security, availability, processing integrity, and confidentiality.

 

What Is a System?
In order to understand the principles of a reliable system, you need to understand the commonly accepted definition of a system. Learn More>>
SysTrust® Definition of a Reliable System
SysTrust® principles represents the concept of a reliable system. The criteria underlying those principles represent the controls that should be in place, and operating effectively, in order to conclude that a system is reliable. Learn More>>
SAS No. 70, SysTrust & WebTrust: A Comparison
SAS No. 70, SysTrust, and WebTrust are focused on information systems provided by CPAs. They can all be used to meet requirements set by corporations, other CPAs, and government. Yet, despite their similarities, these engagements are not necessarily interchangeable. Learn More>>