[VOIPSEC] Mass scan in search of Open SIP devices for Telephone fraud?

[Klaus Darilion]

Hi Fabio!

I recommend to read this article:
http://www.ipcom.at/index.php?id=565

regards
klaus

Fabio Pietrosanti (naif) wrote:
> Hi all,
> 
> does anyone has informations on telephone fraud conducted by mass 
> scanning internet ip addresses space?
> 
> I got several SIP mass scan on my networks and i expect them being part 
> of some wider mass scan.
> 
> The question is: why they are doing mass SIP scan? How they conduct the 
> fraud? There are any case regarding this? How concrete is the risk of 
> having open sip devices in the internet?
> 
> 
> Fabio Pietrosanti
> 
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