ISA Technology Abbreviation

Interactive Services Association

Interconnection Security Agreement

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

International Security Affairs

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.

Internet Server Application

International Space Administration

International Space Agency

Idles Speed Actuator

Inclusion Support Agency