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Telecom Podcast Feeds
Mark Collier's VoIP Security Blog


  • Typelists on This Blog
    This blog has a number of typelists that have links to articles, web sites, blogs, tools, etc. I am in the process of cleaning them up, making sure the links are fresh, that old articles are deleted, etc. Unfortunately, typelists...

  • IPTComm Conference Presentations Online
    The IPTComm conference, recently held in July in Heidelberg, Germany, are available online. They have probably been there a while, but I just noticed them: www.iptcomm.org

  • SPIT Paper
    Here is an interesting article on SPAM over Internet Telephony (SPIT) that speaks to some of the methodologies for producing SPIT and proposed countermeasures and the weaknesses of each. The paper discusses a benchmarking tool called the SIP XML Scenario...

  • FEMA/Library VoIP Systems Hacked - Toll Fraud
    The following two articles describes cases where a library and then FEMA VoIP PBX system were hacked, resulting in at least $15,000 and $12,000 of toll charges: http://www.boston.com/news/local/articles/2008/07/27/library_phone_system_hacked/ http://news.yahoo.com/s/ap/20080820/ap_on_go_ca_st_pe/fema_phones_hacked A couple of things strike me here. First, I haven't found...

  • Been Really Busy and on Vacation
    Sorry for not posting anything in a while. Over the past month, I have taken a couple of week long vacations and then played catch up while back in town. I do plan to start posting and updating the site....


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