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VoIP Security Alliance (VOIPSA)
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Collective thoughts and musings on the state of VoIP security today
Collective thoughts and musings on the state of VoIP security today

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VoIP Security Alliance (VOIPSA)'s posts

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Administrative Update - Site Back Online

Our apologies to anyone looking for the information on this site over the past few days who found the site was not available.  There was a missed communication somewhere…  and a configuration change at our hosting provider resulted in our site going…

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Voice of VOIPSA in "Top 24 #VoIP Blogs on the Internet" -

It was nice to see this blog included in a recent “Top 24 VoIP Blogs on the Internet” post put out by Commander, who appears to be a provider of VoIP equipment, services and more: http://blog.commander.com/top-24-voip-blogs-on-the-internet/ Obviously any…

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SS7 security issues reported on Techmeme?  I did a double-take yesterday and, as Jay Cuthrell noted on Twitter, wondered if this was a “ThrowbackThursday” taken to the extreme.  But no, there was indeed a report in the Washington Post about German…

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Verizon Wireless this week did something that initially seemed quite impressive – they launched “Voice Cypher”, an app available for iOS, Android and Blackberry that promises secure end-to-end encryption. It uses VoIP and is an “over-the-top” (OTT) app…

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The Digium / Asterisk Security Team has obviously been extremely busy ensuring that Asterisk is as secure as possible given that yesterday they released 7 security advisories, although only one of them (AST2014-16) was rated as “Critical”.  The others are…

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Slides: Reboot the Open Realtime Revolution - #MoreCrypto (Fall 2014) - #VoIP #Security

Olle Johansson is back with another set of excellent slides about VoIP security and the need to have “MoreCrypto” everywhere. It’s a great set of slides that talks about where we have come from and where we need to go.  Definitely check it out on…

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VoiceOps - Mitigating #SIP Threats With SBC Policies, Auto-Blacklisting -

There’s a good discussion going on right now (September 2014) in the VoiceOps mailing list about how you can mitigate SIP threats by configuring the policies and settings on your session border controller (SBC).  It started out with a detailed question…

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Happy New Year!  Welcome to 2014! We’re looking forward to more activity happening here at VOIPSA this year… stay tuned for more information! In the meantime, we hope that you all have a very secure 2014 without any major security … Continue reading →

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We are unfortunately aware that the mail archives for the VOIPSEC mailing list have not been functioning for a long time.  The list still does have occasional active conversations on it and anyone is welcome to subscribe. However, the archive … Continue…

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The great folks at the Digium / Asterisk Security Team have issued two new security advisories that folks running Asterisk should pay attention to.  They are: AST-2013-006: Buffer Overflow When Receiving Odd Length 16 bit SMS Message – If you … Continue…
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