Re: Covert Microphone Application

[Matt Burnett <marukka () mac com>]

If we are going to get in to all of these complicated methods for  
recording audio in a room, why dont we consider using those fancy  
laser mics. I still havent heard a good reason as to why the mic  
cable couldnt be disconnected in the laptop.

On Jul 30, 2006, at 4:52 AM, Volker Tanger wrote:

> Greetings!
>
> On Fri, 28 Jul 2006 07:45:17 +0200
> Tonnerre Lombard <tonnerre.lombard () sygroup ch> wrote:
>
> > On Thu, 2006-07-27 at 21:03 -0600, Ralph Forsythe wrote:
> > > I just don't see any unequivocal method of making sure you're secure
> > > against this, unless you switch it to a desktop PC with no
> > > microphone port  and ban laptops from entering the room.
> >
> > Also, there's a whole new business method in "forgetting" your  
> > iPod in
> > meeting rooms - of course with iPodLinux and gramofile or something
> > similar that is not necessary displayed. Can give you quite some time
> > in terms of mp3 recordings.
>
> Or as "on demand" audio espionage device: most cellphones with
> attached headset can be switched to auto-answer. In this case you
> usually cannot switch the cellphone to silent mode - to prevent  
> exactly
> this attack vector.
>
> But you can switch off vibration alert - and when loading the  
> cellphone
> with custom ring tones usually noone will notice. Such ringtones could
> be ultrasonic WAV/MP3s (http://www.ultrasonic-ringtones.com/) or
> similarily MIDI file with a single ultra-quiet (velocity=1),
> extremely high or low and ultra-short tone.
>
> The only problem for a few cellphone models is to find a combined
> headset+charger plug if it only has one connector (like the Siemens
> models) if you want to install a "permanent" listening device. But  
> then
> the excuse "I thought it was stolen - it must have slipped out"  
> does not
> hold anymore.  ;-)
>
> Bye
>
> Volker
>
>
> --
>
> Volker Tanger    http://www.wyae.de/volker.tanger/
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you need to proactively protect your applications from hackers. Cenzic has the 
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