ISA Computing Abbreviation

Industry Standard Architecture

International Standard Atmosphere

Is a static atmospheric model of how the pressure, temperature, density, and viscosity of the Earth's atmosphere chang.

Internet Security and Acceleration

Information Security Architecture

Information Security and Assurance

Interactive Services Association

Interconnection Security Agreement

Written management authorization to interconnect information systems based upon acceptance of risk and implementation of established controls.

Internet Security and Acceleration Server

A soft-ware application from Microsoft Corporation to increase the security and performance of Internet access for businesses. Internet Security and Acceleration Server provides an enterprise firewall and high-performance Web cache server to securely manage the flow of information.

Information Systems and Applications