Casual VoIP users do not realize that like all data networks, VoIP networks are also susceptible to viruses, spam, data sniffing, toll fraud, eavesdropping, and hacking. This blog article lists 25 basic steps a network administrator can do to protect his VoIP network. Read Article

Voice over Internet Protocol is reaching critical mass. With most major telecommunications carriers currently in the process of readying VoIP services for mass deployment, it's clear that IP telephony is finally headed for prime time.

This publication is issued by the National Institute of Standards and Technology as part of its program to promulgate security standards for information systems as well as standards for test procedures for assessing the level of conformance to these standards. This document is intended for use primarily by system administrators of PBX systems, but may also be useful for security evaluators.

Voice over IP – the transmission of voice over packet-switched IP networks – is one of the most important emerging trends in telecommunications. As with many new technologies, VoIP introduces both security risks and opportunities. VoIP has a very different architecture than traditional circuit-based telephony, and these differences result in significant security issues.