Businesses must take steps to minimise the security risks of Voice over IP (VoIP) technology before it is more widely deployed.
This is the view of industry analyst Ovum, which said that organisations new to VoIP technology or considering its introduction were more concerned about voice quality and functionality than security issues, despite the risks of denial-of-service attacks, call charge fraud, spam overload and phishing.
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Ovum pointed to the risk to both VoIP telephony and data systems from attacks targeting the systems’ shared network.
Ovum security expert Graham Titterington warned, “We do not know which threats will become critical in VoIP or how long the process will take, but it would be foolish to ignore them.”
He added that businesses’ lack of awareness meant security improvements were being driven by suppliers and IP telephony service providers rather than by users’ needs.
“Suppliers are pushing their existing security products to businesses, but these products focus on the public internet, which is not normally a component of enterprise VoIP networks. In the process, they fail to meet the most urgent security requirements of enterprises and do not address the specific risks of using VoIP over the corporate intranet.”
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