9. The IVR system of claim 1 wherein the at least one authenticator determines whether the requestor is the user based on a conference call with the requestor.
1. An interactive voice response (IVR) system configured to authenticate a requestor to perform transactions which require accessing secure resources protected by the system, the IVR comprising: a first device configured to send a voice request for authenticating a requestor; an IVR device coupled to a telephony server configured to: interpret the voice request received from the first device in order to retrieve records corresponding to multiple authenticators, and transmit information from the records to the multiple corresponding authenticators at one or more second devices; the one or more second devices configured to receive the information sent to the multiple authenticators from the IVR device, the one or more second devices further configured to send a voice response from each of the multiple authenticators to the IVR device based on the information; and the IVR device further configured to automatically select at least one of the sent voice responses based on information in the sent voice responses and information from the respective authenticator records, the IVR device interprets the selected at least one voice response to determine whether to update the IVR system to allow the user access to the secure resources.