North Carolina state researchers have modified existing speech authentication computer models and have streamlined the process so that it operates more efficiently. Cisco has released a number of reports on vulnerabilities in its products. It is possible to disrupt the transfer of voice data in the Unified Communications Manager using crafted SIP, SCCP and CTI packets. Read the full article at Threatpost.com/Threatpost.org/The H Security Report: Cisco.com.com: Vulnerability to voice data is possible.
Source: https://threatpost.com/voice-authentication-gets-research-boost-030910/73651/