Penetration Testing mailing list archives

Re: listening to people/offices when on-hold on the phone


From: "Robin Wood" <dninja () gmail com>
Date: Sun, 24 Jun 2007 13:12:53 +0100

Well, if anyone every tried it, make sure you post back any interesting results.

Robin

On 6/23/07, crazy frog crazy frog <i.m.crazy.frog () gmail com> wrote:
This is good point indeed.You can get some details like the kind of
people on the other side,you can determin if its the place where many
people sits or just a few and its just very nice to hear some stuff
going on,on the other side :)

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houts out loud "is the password on this server still....." :)
>
> cheers,
>
> Joel
>
>
>
> Quoting Robin Wood <dninja () gmail com>:
>
> > Hi
> > Imagine the situation, you get a message to call someone, your call
> > gets answered by an automated system which says there may be a few
> > minutes wait and gives you the bad hold music. You hit the hands free
> > button on the phone and get on with work while you wait for it to be
> > answered.
> >
> > Unless you mute the call, the person/system on the other end of the
> > call could be listening in while pretending to be on hold and
> > potentially hear all that is going on around you.
> >
> > It is a random attack vector but it could allow an attacker to pick up
> > all sorts of information. I thought about it while sitting on hold for
> > over 30 mins trying to get through to my mobile phone support line
> > last night. If they had been listening they would know what I had for
> > dinner.
> >
> > Anyone tried listening in like this? Anyone got any comments?
> >
> > Robin
> >
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