VoIP security threats

Article (6)

Top five VoIP threats revealed
VIPER lab has revealed the top five VoIP security threats of 2007.
Exchange Server 2007 fix rollup is ready
Microsoft Exchange Server 2007 update rollup 3 fixes an error when creating new mailboxes and a meeting request error in Exchange 2007.
VoIP vulnerability threatens data
VoIP vulnerabilities have now reached a level of sophistication that allows hackers to steal, view or delete data.
VoIP vulnerabilities tackled by research company
VoIP vulnerabilities can present a serious security threat, but one company makes its living by doing research and alerting manufacturers, vendors and users to potential problems.
Instant messaging boom brings security concerns
Instant messaging (IM) has made significant inroads to the enterprise, but using public IM applications may open up security holes in the network.
VoIP protocol insecurity
Like many Internet protocols, SIP was designed with simplicity, not security, in mind. And, although H.323 was created to meet broader goals, security issues have plagued it as well. Expert Lisa Phifer examines some of the vulnerabilities in this tip.

Columns (1)

Column: The myths and realities of VoIP security
Security is often cited as one of the primary reasons organizations have not deployed VoIP. The biggest VoIP security threat is not making headlines. Zeus Kerravala, Yankee Group analyst, cuts through the hype so network managers can maximize the reliability of their voice network.

Tips (2)

VoIP security - problems inherited from data networking
VoIP security problems present a challenge for voice and network staff because IP telephony brings with it not only the security problems of data networks but also new, added threats specific to VoIP. In this tip, learn about the data network security threats that your voice staff must confront, how to secure both your call servers and endpoints, and how best to divide this work between voice and data personnel.
VoIP now part of phishing attacks
Learn how attackers are using the widespread deployment of low-cost VoIP to leverage phishing attacks.

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