05 March 2007
Pre-configured phones vulnerable
Enterprises have been warned to avoid IP telephony for staff engaged in teleworking.
While tweaking firewalls for premium VoIP traffic allows easier remote access in a telework environment, it can also create a potential security hole putting the network at risk.
Security firm Assurance.com.au director, Neil Wise, said hackers can access a network by locating the address of VoIP Web servers on Google or by scanning for commonalities in mail server protection lists.