The VoIP Threat Library includes a number of white papers and a video on aspects of VoIP security. The papers are grouped into two sections, Introductory papers and papers presenting research into specific topics.

To download a white paper:

  • review the description of each paper
  • check the download box each paper you want
  • fill in your email address and contact details at the end of this page

An email containing download links to the required papers will be sent to the supplied address. These links are valid for 5 days

Introductory Papers
     

Title:

 VoIP Security Threats (Video Podcast)
 

Abstract:

 This 10 minute podcast presents a live demonstration of some VoIP specific security threats that pose a real danger to VoIP Networks. These include a call termination attack and unauthorised call monitoring. This video can also be viewed on YouTube.

Format:

 Flash Video
     
     

Title:

 A VoIP Threat Taxonomy
 

Abstract:

 Security threats against VoIP systems, can be categorised into 3 groups. IP Network Level Threats, Application and Protocol Threats and Content threats. This white paper examines each of these threat categories, providing examples of each type of threat and assessing the potential impact of each threat.
 

Format:

 PDF
     

Specific Topics
     

Title:

 Asterisk SIP Registration Vulnetabilities and Limitations
 

Abstract:

 Asterisk is a popular Open Source telephony engine with support for a number of VoIP protocols including SIP. This white paper documents some recent research on SIP registration processing highlighting some limitations that can cause significant problems for networks with more than a few hundred users.
 

Format:

 PDF
     
 

Complete the contact details (fields marked with * are mandatory) and click on submit. An email containing links to download the selected papers will be sent to the supplied address.
 

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