Blocking locator-type devices

[Q G Campbell]

Owen

You take it out of its "protective" carrying case to answer it of
course!

The assumption behind the use of uch a device is that you are guarded
about what you say on a phone while you may not wish to be so inhibited
when off-air but still carrying your phone.
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Quentin
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> -----Original Message-----
> From: Owen Lewis [mailto:oml@eloka.demon.co.uk]
> Sent: 14 February 2001 15:36
> To: ukcrypto@chiark.greenend.org.uk
> Subject: Re: Blocking locator-type devices
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> ----- Original Message -----
> From: "Q G Campbell" <Q.G.Campbell@newcastle.ac.uk>
> To: <ukcrypto@chiark.greenend.org.uk>
> Sent: 14 February 2001 13:56
> Subject: RE: Blocking locator-type devices
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> The idea of a (random) noise generator located next to the=20
> microphone is
> of more general application since it allows your phone to continue to
> operate to receive calls.
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> Placing your phone in an RF shielding bag or removing the batteries to
> prevent your phone being used as a roving bug has side effects!
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> I would hope that such a noise source could be placed in a special
> carrying pouch for the phone which would also serve to make the noise
> source inaudible outside of the pouch.
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> And what, do you suppose the effect on your telephone calls might be?
> Non-starter, es tut mir leid!
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> But if you genuinely have grounds for believing that the Watchers are
> watching you then worrying about a bugged mobile phone is probably the
> least of your problems. In this case there are also likley to be
> tracking devices, audio and video bugs, etc, in your car, your office
> and in your house in light swithes and sockets, the TV, etc!!
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> Why so? If your mobile is used as a bug it will also track=20
> you and, if you
> keep it on your persons, why any necessity for the other devices you
> suggest?
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> Those of us who live blameless, if boring lives, have nothing to worry
> about have we.  :-}
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> If your life is indeed blameless, yu should be put in a glass=20
> case. You are
> a rare specimen indeed :-)
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> Owen
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