Digipass Plug-In for IAS Product Guide - Vasco

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Digipass Plug-In for IAS Product Guide Table of Contents Image 26: OTP Request Site....................................................................................................... 70 © 2005 VASCO Data Security Inc. viii
Digipass Plug-In for IAS Product Guide Overview 1 Overview 1.1 Digipass Plug-In for IAS The main purpose of the Digipass Plug-In for IAS is to improve your network security by adding two-factor authentication to Microsoft's Internet Authentication Service (IAS). It consists of two main parts - The IAS Plug-In is an Authentication Module for IAS which enables two-factor authentication using Digipass. Digipass are devices used to generate a One Time Password. The IAS Plug-In interacts with IAS by performing the authentication check when IAS passes the Access-Request to it. When this occurs depends on the Authentication Policies defined in IAS. The IAS Plug-In does not perform any authorization checks, however if authentication is successful, it can instruct IAS to use a specific RADIUS Profile. The User logs in through the usual channel, using their Digipass to generate a One Time Password. Image 1: Digipass Plug-In for IAS Overview What is Two-Factor Authentication? Methods of identifying an individual can be separated into three main categories - Something they have (eg ID card) Something they know (eg static password) Something they are (eg thumbprint) Standard authentication is usually based on a UserID and a static password, and relies on only one factor of identification - something the User knows. In contrast, Digipass authentication relies on two factors of identification – something the User has (the Digipass) and something the User knows (a static PIN or password). This is commonly referred to as two-factor authentication. What is a One Time Password? The IAS Plug-In checks the User details and, if correct, passes the authentication request on to IAS. A One Time Password (OTP) is a dynamic password created by a Digipass. It is either timebased (valid for a specific time interval) or event-based (valid for a specific usage count of the Digipass). © 2005 VASCO Data Security Inc. 9
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Digipass Plug-In for IAS Product Guide - Vasco

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